20th-century classical music is art music that was written between the years 1901 and 2000, inclusive. Musical style diverged during the 20th century as it never had previously, so this century was without a dominant style. Modernism , impressionism , and post-romanticism can all be traced to the decades before the turn of the 20th century, but can be included because they evolved beyond the musical boundaries of the 19th-century styles that were part of the earlier common practice period . Neoclassicism and expressionism came mostly after 1900. Minimalism started later in the century and can be seen as a change from the modern to postmodern era, although some date postmodernism from as early as about 1930. Aleatory , atonality , serialism , musique concrète , and electronic music were all developed during the century. Jazz and ethnic folk music became important influences on many composers during this century.
161-513: Karlheinz Stockhausen ( German: [kaʁlˈhaɪnts ˈʃtɔkhaʊzn̩] ; 22 August 1928 – 5 December 2007) was a German composer, widely acknowledged by critics as one of the most important but also controversial composers of the 20th and early 21st centuries. He is known for his groundbreaking work in electronic music , having been called the "father of electronic music", for introducing controlled chance ( aleatory techniques ) into serial composition , and for musical spatialization . He
322-442: A schoolteacher or formally an educator , is a person who helps students to acquire knowledge , competence, or virtue , via the practice of teaching . Informally the role of teacher may be taken on by anyone (e.g. when showing a colleague how to perform a specific task). In some countries, teaching young people of school age may be carried out in an informal setting, such as within the family ( homeschooling ), rather than in
483-443: A semitone ; human voices and unfretted strings can easily produce them by going in between the "normal" notes, but other instruments will have more difficulty—the piano and organ have no way of producing them at all, aside from retuning and/or major reconstruction. In the 1940s and 50s composers, notably Pierre Schaeffer , started to explore the application of technology to music in musique concrète . The term electroacoustic music
644-436: A " fundamental "—a change that was probably the most important compositional development of the latter part of the 1950s, not only for Stockhausen's music but for "advanced" music in general. Some of these ideas, considered from a purely theoretical point of view (divorced from their context as explanations of particular compositions) drew significant critical fire. For this reason, Stockhausen ceased publishing such articles for
805-528: A "Futurist" context. The "Machine Music" of George Antheil (starting with his Second Sonata, "The Airplane") and Alexander Mosolov (most notoriously his Iron Foundry ) developed out of this. The process of extending musical vocabulary by exploring all available tones was pushed further by the use of Microtones in works by Charles Ives , Julián Carrillo , Alois Hába , John Foulds , Ivan Wyschnegradsky , Harry Partch and Mildred Couper among many others. Microtones are those intervals that are smaller than
966-460: A "platoon" system, involves placing a group of students together in one class that moves from one specialist to another for every subject. The advantage here is that students learn from teachers who specialize in one subject and who tend to be more knowledgeable in that one area than a teacher who teaches many subjects. Students still derive a strong sense of security by staying with the same group of peers for all classes. Co-teaching has also become
1127-532: A 1957 conversation: 20th-century classical music At the turn of the century, music was characteristically late Romantic in style. Composers such as Gustav Mahler , Richard Strauss and Jean Sibelius were pushing the bounds of post-Romantic symphonic writing . At the same time, the Impressionist movement, spearheaded by Claude Debussy , was being developed in France. Debussy in fact loathed
1288-613: A Recitative for organ in 1941). He taught Anton Webern and Alban Berg and these three composers are often referred to as the principal members of the Second Viennese School (Haydn, Mozart and Beethoven—and sometimes Schubert—being regarded as the First Viennese School in this context). Webern wrote works using a rigorous twelve-tone method and influenced the development of total serialism . Berg, like Schoenberg, employed twelve-tone technique within
1449-574: A castle. Built in 1830 by a local businessman named Arend, it was called by locals Burg Mödrath . From 1925 to 1932 it was the maternity home of the Bergheim district , and after the war it served for a time as a shelter for war refugees. In 1950, the owners, the Düsseldorf chapter of the Knights of Malta , turned it into an orphanage, but it was subsequently returned to private ownership and became
1610-548: A complex system of transformations to which those materials are to be subjected in order to produce an unlimited number of different compositions. Through the rest of the 1960s, he continued to explore such possibilities of " process composition " in works for live performance, such as Prozession (1967), Kurzwellen , and Spiral (both 1968), culminating in the verbally described "intuitive music" compositions of Aus den sieben Tagen (1968) and Für kommende Zeiten (1968–70). Some of his later works, such as Ylem (1972) and
1771-498: A course on interpretation of Tierkreis in 1977, later published as an article. In 1961, Stockhausen acquired a parcel of land in the vicinity of Kürten , a village east of Cologne, near Bergisch Gladbach in the Bergisches Land . He had a house built there, which was designed to his specifications by the architect Erich Schneider-Wessling, and he resided there from its completion in the autumn of 1965. After lecturing at
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#17327839320841932-526: A cycle titled Licht: Die sieben Tage der Woche ("Light: The Seven Days of the Week"). The Licht cycle deals with the traits associated in various historical traditions with each weekday (Monday = birth and fertility, Tuesday = conflict and war, Wednesday = reconciliation and cooperation, Thursday = traveling and learning, etc.) and with the relationships between three archetypal characters: Michael , Lucifer , and Eve . Each of these characters dominates one of
2093-582: A few months later by the death of her younger son, Hermann. From the age of seven, Stockhausen lived in Altenberg , where he received his first piano lessons from the Protestant organist of the Altenberger Dom , Franz-Josef Kloth. In 1938, his father remarried. His new wife, Luzia, had been the family's housekeeper. The couple had two daughters. Because his relationship with his new stepmother
2254-500: A fixed state". Stockhausen later wrote, describing this period in his compositional work, "The first revolution occurred from 1952/53 as musique concrète , electronic tape music , and space music , entailing composition with transformers, generators, modulators, magnetophones, etc; the integration of all concrete and abstract (synthetic) sound possibilities (also all noises), and the controlled projection of sound in space". His position as "the leading German composer of his generation"
2415-598: A formal setting such as a school or college. Some other professions may involve a significant amount of teaching (e.g. youth worker, pastor). In most countries, formal teaching of students is usually carried out by paid professional teachers. This article focuses on those who are employed , as their main role, to teach others in a formal education context, such as at a school or other place of initial formal education or training. A teacher's role may vary among cultures. Teachers may provide instruction in literacy and numeracy , craftsmanship or vocational training ,
2576-710: A formula and, especially, his conception of the Licht superformula, also owes a great deal to Sri Aurobindo's category of the "supramental". Similarly, his approach to voice and text sometimes departed from traditional usage: Characters were as likely to be portrayed by instrumentalists or dancers as by singers, and a few parts of Licht (e.g., Luzifers Traum from Samstag , Welt-Parlament from Mittwoch , Lichter-Wasser and Hoch-Zeiten from Sonntag ) use written or improvised texts in simulated or invented languages. The seven operas were not composed in "weekday order" but rather starting (apart from Jahreslauf in 1977, which became
2737-632: A general phenomenon. Stockhausen has been described as "one of the great visionaries of 20th-century music". His two early Electronic Studies (especially the second) had a powerful influence on the subsequent development of electronic music in the 1950s and 1960s, particularly in the work of the Italian Franco Evangelisti and the Poles Andrzej Dobrowolski and Włodzimierz Kotoński . The influence of his Kontra-Punkte , Zeitmaße and Gruppen may be seen in
2898-409: A group that included priests , religious leaders, and case workers as well as teachers. It is important to note, however, that this British study is the only one of its kind and consisted of "a random ... probability sample of 2,869 young people between the ages of 18 and 24 in a computer-assisted study" and that the questions referred to "sexual abuse with a professional," not necessarily a teacher. It
3059-527: A heavy workload, and inspections. Teachers are also at high risk for occupational burnout . A 2000 study found that 42% of UK teachers experienced occupational stress, twice the figure for the average profession. A 2012 study found that teachers experienced double the rate of anxiety, depression, and stress than average workers. There are several ways to mitigate the occupational hazards of teaching. Organizational interventions, like changing teachers' schedules, providing support networks and mentoring, changing
3220-648: A late-romantic or post-romantic style ( Violin Concerto , which quotes a Bach Choral and uses Classical form). He wrote two major operas ( Wozzeck and Lulu ). The development of recording technology made all sounds available for potential use as musical material. Electronic music generally refers to a repertory of art music developed in the 1950s in Europe, Japan, and the Americas. The increasing availability of magnetic tape in this decade provided composers with
3381-572: A medium which allowed recording sounds and then manipulating them in various ways. All electronic music depends on transmission via loudspeakers, but there are two broad types: acousmatic music , which exists only in recorded form meant for loudspeaker listening, and live electronic music, in which electronic apparatus are used to generate, transform, or trigger sounds during performance by musicians using voices, traditional instruments, electro-acoustic instruments, or other devices. Beginning in 1957, computers became increasingly important in this field. When
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#17327839320843542-532: A melody instrument with feedback (1966). Improvisation also plays a part in all of these works, but especially in Solo . He also composed two electronic works for tape , Telemusik (1966) and Hymnen (1966–67). The latter also exists in a version with partially improvising soloists, and the third of its four "regions" in a version with orchestra. At this time, Stockhausen also began to incorporate pre-existent music from world traditions into his compositions. Telemusik
3703-416: A million listeners. According to Stockhausen's biographer, Michael Kurtz, "Many visitors felt the spherical auditorium to be an oasis of calm amidst the general hubbub, and after a while it became one of the main attractions of Expo 1970". Beginning with Mantra for two pianos and electronics (1970), Stockhausen turned to formula composition , a technique which involves the projection and multiplication of
3864-454: A model for a new generation of German composers, loosely associated under the label neue Einfachheit or New Simplicity . The best-known of these composers is Wolfgang Rihm , who studied with Stockhausen in 1972–73. His orchestral composition Sub-Kontur (1974–75) quotes the formula of Stockhausen's Inori (1973–74), and he has also acknowledged the influence of Momente on this work. Other large works by Stockhausen from this decade include
4025-462: A new cycle of compositions based on the hours of the day, Klang ("Sound"). Twenty-one of these pieces were completed before Stockhausen's death. The first four works from this cycle are First Hour: Himmelfahrt (Ascension), for organ or synthesizer, soprano and tenor (2004–2005); Second Hour: Freude (Joy) for two harps (2005); Third Hour: Natürliche Dauern (Natural Durations) for piano (2005–2006); and Fourth Hour: Himmels-Tür (Heaven's Door) for
4186-403: A new trend amongst educational institutions. Co-teaching is defined as two or more teachers working harmoniously to fulfill the needs of every student in the classroom. Co-teaching focuses the student on learning by providing a social networking support that allows them to reach their full cognitive potential. Co-teachers work in sync with one another to create a climate of learning. Throughout
4347-409: A number of years, as he felt that "many useless polemics" about these texts had arisen, and he preferred to concentrate his attention on composing. Through the 1960s, although he taught and lectured publicly, Stockhausen published little of an analytical or theoretical nature. Only in 1970 did he again begin publishing theoretical articles, with "Kriterien", the abstract for his six seminar lectures for
4508-407: A particular process which is essentially laid bare in the work. The term experimental music was coined by Cage to describe works that produce unpredictable results, according to the definition "an experimental action is one the outcome of which is not foreseen". The term is also used to describe music within specific genres that pushes against their boundaries or definitions, or else whose approach
4669-493: A percussionist and a little girl (2005). The Fifth Hour, Harmonien (Harmonies), is a solo in three versions for flute, bass clarinet, and trumpet (2006). The Sixth through Twelfth hours are chamber-music works based on the material from the Fifth Hour. The Thirteenth Hour, Cosmic Pulses , is an electronic work made by superimposing 24 layers of sound, each having its own spatial motion, among eight loudspeakers placed around
4830-457: A period of nearly sixty years, eschew traditional forms. In addition to electronic music—both with and without live performers—they range from miniatures for musical boxes through works for solo instruments, songs, chamber music , choral and orchestral music, to a cycle of seven full-length operas. His theoretical and other writings comprise ten large volumes. He received numerous prizes and distinctions for his compositions, recordings, and for
4991-487: A preview screening, Stockhausen saw the film, which shows a madwoman writing letters from a bleak asylum cell, he was moved to tears. The Brothers Quay were astonished to learn that his mother had been "imprisoned by the Nazis in an asylum, where she later died. ... This was a very moving moment for us as well, especially because we had made the film without knowing any of this". After completing Licht , Stockhausen embarked on
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5152-562: A private residence again. In 2017, an anonymous patron purchased the house and opened it in April 2017 as an exhibition space for modern art, with the first floor to be used as the permanent home of the museum of the WDR Electronic Music Studio , where Stockhausen had worked from 1953 until shortly before WDR closed the studio in 2000. His father, Simon Stockhausen, was a schoolteacher , and his mother Gertrud (née Stupp)
5313-462: A process leading from an initial "point" texture of isolated notes toward a florid, ornamental ending is opposed by a tendency from diversity (six timbres, dynamics, and durations) toward uniformity (timbre of solo piano, a nearly constant soft dynamic, and fairly even durations). In Gruppen (1955–57), fanfares and passages of varying speed (superimposed durations based on the harmonic series ) are occasionally flung between three full orchestras, giving
5474-615: A punishment essay, or sit quietly. A modern example of school discipline in North America and Western Europe relies upon the idea of an assertive teacher who is prepared to impose their will upon a class. Positive reinforcement is balanced with immediate and fair punishment for misbehavior and firm, clear boundaries define what is appropriate and inappropriate behavior. Teachers are expected to respect their students; sarcasm and attempts to humiliate pupils are seen as falling outside of what constitutes reasonable discipline. Whilst this
5635-789: A real interest in composition until 1950. He was admitted at the end of that year to the class of Swiss composer Frank Martin , who had just begun a seven-year tenure in Cologne. At the Darmstädter Ferienkurse in 1951, Stockhausen met Belgian composer Karel Goeyvaerts , who had just completed studies with Olivier Messiaen (analysis) and Darius Milhaud (composition) in Paris, and Stockhausen resolved to do likewise. He arrived in Paris on 8 January 1952 and began attending Messiaen's courses in aesthetics and analysis, as well as Milhaud's composition classes. He continued with Messiaen for
5796-409: A recognized body before they can teach in a school. In many countries, elementary school education certificate is earned after completion of high school. The high school student follows an education specialty track, obtain the prerequisite "student-teaching" time, and receive a special diploma to begin teaching after graduation. In addition to certification, many educational institutions especially within
5957-734: A rotatable ( refrain ) on a transparent plastic strip. Early in the 1970s, he ended his agreement with Universal Edition and began publishing his own scores under the Stockhausen-Verlag imprint. This arrangement allowed him to extend his notational innovations (for example, dynamics in Weltparlament [the first scene of Mittwoch aus Licht ] are coded in colour) and resulted in eight German Music Publishers Society Awards between 1992 ( Luzifers Tanz ) and 2005 ( Hoch-Zeiten , from Sonntag aus Licht ). The Momente score, published just before Stockhausen's death in 2007, won this prize for
6118-401: A scale of twelve tempos analogous to the chromatic pitch scale, (2) a technique of building progressively smaller, integral subdivisions over a basic (fundamental) duration, analogous to the overtone series , (3) musical application of the concept of the partial field (time fields and field sizes) in both successive and simultaneous proportions, (4) methods of projecting large-scale form from
6279-523: A school or academy or perhaps in another environment such as outdoors . The objective is typically accomplished through either an informal or formal approach to learning, including a course of study and lesson plan that teaches skills , knowledge or thinking skills. Different ways to teach are often referred to as pedagogy . When deciding what teaching method to use teachers consider students' background knowledge, environment, and their learning goals as well as standardized curricula as determined by
6440-677: A series of proportions, (5) the concept of "statistical" composition, (6) the concept of "action duration" and the associated "variable form", and (7) the notion of the "directionless temporal field" and with it, "polyvalent form". Other important articles from this period include "Elektronische und Instrumentale Musik" ("Electronic and Instrumental Music", 1958), "Musik im Raum" ("Music in Space", 1958), "Musik und Graphik" ("Music and Graphics", 1959), " Momentform " (1960), "Die Einheit der musikalischen Zeit" ("The Unity of Musical Time", 1961), and "Erfindung und Entdeckung" ("Invention and Discovery", 1961),
6601-481: A single, double, or triple melodic -line formula. Sometimes, as in Mantra and the large orchestral composition with mime soloists, Inori , the simple formula is stated at the outset as an introduction. He continued to use this technique (e.g., in the two related solo-clarinet pieces, Harlekin [Harlequin] and Der kleine Harlekin [The Little Harlequin] of 1975, and the orchestral Jubiläum [Jubilee] of 1977) through
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6762-492: A willingness to play. In many countries, a person who wishes to become a teacher must first obtain specified professional qualifications or credentials from a university or college . These professional qualifications may include the study of pedagogy , the science of teaching. Teachers, like other professionals, may have to, or choose to, continue their education after they qualify, a process known as continuing professional development . The issue of teacher qualifications
6923-492: A year, but he was disappointed with Milhaud and abandoned his lessons after a few weeks. In March 1953, he left Paris to take up a position as assistant to Herbert Eimert at the newly established Electronic Music Studio of Nordwestdeutscher Rundfunk (NWDR) (from 1 January 1955, Westdeutscher Rundfunk , or WDR) in Cologne. In 1963, he succeeded Eimert as director of the studio. From 1954 to 1956, he studied phonetics, acoustics, and information theory with Werner Meyer-Eppler at
7084-434: Is a further development of electroacoustic music that uses analyses of sound spectra to create music. Cage, Berio, Boulez, Milton Babbitt , Luigi Nono and Edgard Varèse all wrote electroacoustic music. From the early 1950s onwards, Cage introduced elements of chance into his music. Process music ( Karlheinz Stockhausen Prozession , Aus den sieben Tagen ; and Steve Reich Piano Phase , Clapping Music ) explores
7245-454: Is a hybrid of disparate styles, or incorporates unorthodox, new, distinctly unique ingredients. Important cultural trends often informed music of this period, romantic, modernist, neoclassical, postmodernist or otherwise. Igor Stravinsky and Sergei Prokofiev were particularly drawn to primitivism in their early careers, as explored in works such as The Rite of Spring and Chout . Other Russians, notably Dmitri Shostakovich , reflected
7406-691: Is a reaction to modernism, but it can also be viewed as a response to a deep-seated shift in societal attitude. According to this latter view, postmodernism began when historic (as opposed to personal) optimism turned to pessimism, at the latest by 1930. John Cage is a prominent figure in 20th-century music, claimed with some justice both for modernism and postmodernism because the complex intersections between modernism and postmodernism are not reducible to simple schemata. His influence steadily grew during his lifetime. He often uses elements of chance: Imaginary Landscape No. 4 for 12 radio receivers, and Music of Changes for piano. Sonatas and Interludes (1946–48)
7567-823: Is a student's internal goal of improving themselves, whereas academic success includes the goals they receive from their superior. A teacher must guide their student in aligning their personal goals with their academic goals. Students who receive this positive influence show stronger self-confidence and greater personal and academic success than those without these teacher interactions. Students are likely to build stronger relations with teachers who are friendly and supportive and will show more interest in courses taught by these teachers. Teachers that spend more time interacting and working directly with students are perceived as supportive and effective teachers. Effective teachers have been shown to invite student participation and decision making, allow humor into their classroom, and demonstrate
7728-400: Is administered to the seat of the student's trousers or skirt with a specially made wooden paddle. This often used to take place in the classroom or hallway, but nowadays the punishment is usually given privately in the principal's office. Official corporal punishment, often by caning, remains commonplace in schools in some Asian, African and Caribbean countries. Currently detention is one of
7889-530: Is composed for a prepared piano : a normal piano whose timbre is dramatically altered by carefully placing various objects inside the piano in contact with the strings. Currently, postmodernism includes composers who react against the avant-garde and experimental styles of the late 20th century such as Astor Piazzolla , Argentina, and Miguel del Águila , USA. In the later 20th century, composers such as La Monte Young , Arvo Pärt , Philip Glass , Terry Riley , Steve Reich , and John Adams began to explore what
8050-553: Is highly problematic. Although, officially, schools have extremely rigid codes of behavior, in practice many teachers find the students unmanageable and do not enforce discipline at all. Where school class sizes are typically 40 to 50 students, maintaining order in the classroom can divert the teacher from instruction, leaving little opportunity for concentration and focus on what is being taught. In response, teachers may concentrate their attention on motivated students, ignoring attention-seeking and disruptive students. The result of this
8211-485: Is linked to the status of the profession. In some societies, teachers enjoy a status on a par with physicians , lawyers , engineers , and accountants , in others, the status of the profession is low. In the twentieth century, many intelligent women were unable to get jobs in corporations or governments so many chose teaching as a default profession. As women become more welcomed into corporations and governments today, it may be more difficult to attract qualified teachers in
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#17327839320848372-481: Is necessary to develop a shared definition of the skills and knowledge required by teachers, in order to guide teachers' career-long education and professional development. Some evidence-based international discussions have tried to reach such a common understanding. For example, the European Union has identified three broad areas of competences that teachers require: Scholarly consensus is emerging that what
8533-464: Is not sufficient interests to enter the profession. An organisation in India called Centre for Teacher Accreditation (CENTA) is working to reduce this hazard, by trying to open opportunities for teachers in India. There are many similarities and differences among teachers around the world. In almost all countries teachers are educated in a university or college. Governments may require certification by
8694-533: Is now called minimalism , in which the work is stripped down to its most fundamental features; the music often features repetition and iteration. An early example is Terry Riley's In C (1964), an aleatoric work in which short phrases are chosen by the musicians from a set list and played an arbitrary number of times, while the note C is repeated in eighth notes (quavers) behind them. Steve Reich's works Piano Phase (1967, for two pianos), and Drumming (1970–71, for percussion, female voices and piccolo) employ
8855-418: Is often seen as neo-baroque (an architectural term), though the distinction between the terms is not always made. A number of composers combined elements of the jazz idiom with classical compositional styles, notably: Impressionism started in France as a reaction, led by Claude Debussy , against the emotional exuberance and epic themes of German Romanticism exemplified by Wagner . In Debussy's view, art
9016-596: Is one of the most significant figures in 20th-century music. While his early works were in a late Romantic style influenced by Wagner ( Verklärte Nacht , 1899), this evolved into an atonal idiom in the years before the First World War ( Drei Klavierstücke in 1909 and Pierrot lunaire in 1912). In 1921, after several years of research, he developed the twelve-tone technique of composition, which he first described privately to his associates in 1923. His first large-scale work entirely composed using this technique
9177-443: Is required of teachers can be grouped under three headings: It has been found that teachers who showed enthusiasm towards the course materials and students can create a positive learning experience. These teachers do not teach by rote but attempt to invigorate their teaching of the course materials every day. Teachers who cover the same curriculum repeatedly may find it challenging to maintain their enthusiasm, lest their boredom with
9338-479: Is shaped by the values of that specific context. Factors that influence what is expected (or required) of teachers include history and tradition, social views about the purpose of education, accepted theories about learning, etc. The competences required by a teacher are affected by the different ways in which the role is understood around the world. Broadly, there seem to be four models: The Organisation for Economic Co-operation and Development has argued that it
9499-454: Is simply the " spectrum " of a more basic duration—i.e., its "timbre", perceived as the overall effect of the overtone structure of that duration, now taken to include not only the "rhythmic" subdivisions of the duration but also their relative "dynamic" strength, "envelope", etc. Compositionally considered, this produced a change of focus from the individual tone to a whole complex of tones related to one another by virtue of their relation to
9660-529: Is specifically cited by Stockhausen as an example of "punctual music", and the first (unpublished) versions of Punkte and Kontra-Punkte (1952). However, several works from these same years show Stockhausen formulating his "first really ground-breaking contribution to the theory and, above all, practice of composition", that of "group composition", found in Stockhausen's works as early as 1952 and continuing throughout his compositional career. This principle
9821-610: Is supported by the educational attainment of countries—in East Asia for instance—that combine strict discipline with high standards of education. It's not clear, however that this stereotypical view reflects the reality of East Asian classrooms or that the educational goals in these countries are commensurable with those in Western countries. In Japan , for example, although average attainment on standardized tests may exceed those in Western countries, classroom discipline and behavior
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#17327839320849982-447: Is that motivated students, facing demanding university entrance examinations, receive disproportionate resources. Given the emphasis on attainment of university places, administrators and governors may regard this policy as appropriate. Sudbury-model democratic schools claim that popularly based authority can maintain order more effectively than dictatorial authority for governments and schools alike. They also claim that in these schools
10143-423: Is the consensus viewpoint amongst the majority of academics, some teachers and parents advocate a more assertive and confrontational style of discipline (refer to Canter Model of Discipline ). Such individuals claim that many problems with modern schooling stem from the weakness in school discipline and if teachers exercised firm control over the classroom they would be able to teach more efficiently. This viewpoint
10304-550: Is therefore logical to conclude that information on the percentage of abuses by teachers in the United Kingdom is not explicitly available and therefore not necessarily reliable. The AAUW study, however, posed questions about fourteen types of sexual harassment and various degrees of frequency and included only abuses by teachers. "The sample was drawn from a list of 80,000 schools to create a stratified two-stage sample design of 2,065 8th to 11th grade students". Its reliability
10465-681: The Arditti Quartet . In 1999 he was invited by Walter Fink to be the ninth composer featured in the annual Komponistenporträt of the Rheingau Musik Festival . In 1999, BBC producer Rodney Wilson asked Stockhausen to collaborate with Stephen and Timothy Quay on a film for the fourth series of Sound on Film International. Although Stockhausen's music had been used for films previously (most notably, parts of Hymnen in Nicolas Roeg 's Walkabout in 1971), this
10626-587: The Darmstädter Ferienkurse . The seminars themselves, covering seven topics ("Micro- and Macro-Continuum", "Collage and Metacollage", "Expansion of the Scale of Tempos", "Feedback", "Spectral Harmony—Formant Modulation", "Expansion of Dynamics—A Principle of Mikrophonie I ", and "Space Music—Spatial Forming and Notation") were published only posthumously. His collected writings were published in Texte zur Musik , including his compositional theories and analyses on music as
10787-616: The Internationale Ferienkurse für Neue Musik at Darmstadt (first in 1953), Stockhausen gave lectures and concerts in Europe, North America, and Asia. He was guest professor of composition at the University of Pennsylvania in 1965 and at the University of California, Davis in 1966–67. He founded and directed the Cologne Courses for New Music from 1963 to 1968, and was appointed Professor of Composition at
10948-513: The Mozart Orchestra of Bologna. He was 79 years old. Stockhausen wrote 370 individual works. He often departs radically from musical tradition and his work is influenced by Olivier Messiaen , Edgard Varèse , and Anton Webern , as well as by film and by painters such as Piet Mondrian and Paul Klee . Stockhausen began to compose in earnest only during his third year at the conservatory. His early student compositions remained out of
11109-463: The Studies made plain that it was an unacceptable oversimplification to regard timbres as stable entities. Reinforced by his studies with Meyer-Eppler, beginning in 1955, Stockhausen formulated new "statistical" criteria for composition, focussing attention on the aleatoric , directional tendencies of sound movement, "the change from one state to another, with or without returning motion, as opposed to
11270-768: The University of Bonn . Together with Eimert, Stockhausen edited the journal Die Reihe from 1955 to 1962. On 29 December 1951, in Hamburg, Stockhausen married Doris Andreae . Together they had four children: Suja (b. 1953), Christel (b. 1956), Markus (b. 1957), and Majella (b. 1961). They were divorced in 1965. On 3 April 1967, in San Francisco, he married Mary Bauermeister , with whom he had two children: Julika (b. 22 January 1966) and Simon (b. 1967). They were divorced in 1972. Four of Stockhausen's children became professional musicians, and he composed some of his works specifically for them. A large number of pieces for
11431-405: The history of education the most common form of school discipline was corporal punishment . While a child was in school, a teacher was expected to act as a substitute parent , with all the normal forms of parental discipline open to them. In past times, corporal punishment ( spanking or paddling or caning or strapping or birching the student in order to cause physical pain) was one of
11592-480: The twelve-tone technique which was developed further by his disciples Alban Berg and Anton Webern ; later composers (including Pierre Boulez ) developed it further still. Stravinsky (in his last works) explored twelve-tone technique, too, as did many other composers; indeed, even Scott Bradley used the technique in his scores for the Tom and Jerry cartoons. After the First World War, composers started returning to
11753-405: The "park music" composition for five spatially separated groups, Sternklang ("Star Sounds") of 1971, the orchestral work Trans , composed in the same year and the thirteen simultaneous "musical scenes for soloists and duets" titled Alphabet für Liège (1972). Since the mid-1950s, Stockhausen had been developing concepts of spatialization in his works, not only in electronic music, such as
11914-458: The 1920s and later, including Albert Roussel , Charles Koechlin , André Caplet , and, later, Olivier Messiaen . Composers from non-Western cultures, such as Tōru Takemitsu , and jazz musicians such as Duke Ellington , Gil Evans , Art Tatum , and Cecil Taylor also have been strongly influenced by the impressionist musical language. At its conception, Futurism was an Italian artistic movement founded in 1909 by Filippo Tommaso Marinetti ; it
12075-401: The 1950s and early 1960s, Stockhausen published a series of articles that established his importance in the area of music theory. Although these include analyses of music by Mozart , Debussy , Bartók , Stravinsky , Goeyvaerts , Boulez , Nono , Johannes Fritsch , Michael von Biel , and, especially, Webern , the items on compositional theory directly related to his own work are regarded as
12236-460: The 20th century. The former trends, such as Expressionism are discussed later. In the early part of the 20th century, many composers wrote music which was an extension of 19th-century Romantic music, and traditional instrumental groupings such as the orchestra and string quartet remained the most typical. Traditional forms such as the symphony and concerto remained in use. Gustav Mahler and Jean Sibelius are examples of composers who took
12397-404: The 5-channel Gesang der Jünglinge (1955–56) and Telemusik (1966), and 4-channel Kontakte (1958–60) and Hymnen (1966–67). Instrumental/vocal works like Gruppen for three orchestras (1955–57) and Carré for four orchestras and four choirs (1959–60) also exhibit this trait. In lectures such as "Music in Space" from 1958, he called for new kinds of concert halls to be built, "suited to
12558-589: The Beethovenhalle auditorium complex in Bonn , before, after, and during a group of (in part simultaneous) concerts of his music in the auditoriums of the facility. The overall project was given the title Musik für die Beethovenhalle . This had precedents in two collective-composition seminar projects that Stockhausen gave at Darmstadt in 1967 and 1968: Ensemble and Musik für ein Haus , and would have successors in
12719-630: The German Pavilion at the 1970 World Fair in Osaka and to create a joint multimedia project for it with artist Otto Piene . Other collaborators on the project included the pavilion's architect, Fritz Bornemann , Fritz Winckel, director of the Electronic Music Studio at Technische Universität Berlin , and engineer Max Mengeringhausen. The pavilion theme was "gardens of music", in keeping with which Bornemann intended "planting"
12880-590: The Hochschule für Musik Köln in 1971, where he taught until 1977. In 1998, he founded the Stockhausen Courses, which are held annually in Kürten. From the mid-1950s onward, Stockhausen designed (and in some cases arranged to have printed) his own musical scores for his publisher, Universal Edition , which often involved unconventional devices. The score for his piece Refrain , for instance, includes
13041-486: The Russians Artur Lourié, Mikhail Matyushin , and Nikolai Roslavets . Though few of the futurist works of these composers are performed today, the influence of futurism on the later development of 20th-century music was enormous. Sergei Prokofiev , Maurice Ravel , Igor Stravinsky , Arthur Honegger , George Antheil , Leo Ornstein , and Edgard Varèse are among the notable composers in the first half of
13202-413: The additive process in which short phrases are slowly expanded. La Monte Young's Compositions 1960 employs very long tones, exceptionally high volumes and extra-musical techniques such as "draw a straight line and follow it" or "build a fire". Michael Nyman argues that minimalism was a reaction to and made possible by both serialism and indeterminism. (See also experimental music .) Arnold Schoenberg
13363-410: The ages of 16 and 20, respectively. The saxophone duet in the second act of Donnerstag aus Licht , and a number of synthesizer parts in the Licht operas, including Klavierstück XV ("Synthi-Fou") from Dienstag , were composed for his son Simon, who also assisted his father in the production of the electronic music from Freitag aus Licht . His daughter Christel is a flautist who performed and gave
13524-481: The arts , religion , civics , community roles, or life skills. Formal teaching tasks include preparing lessons according to agreed curricula, giving lessons, and assessing pupil progress. A teacher's professional duties may extend beyond formal teaching. Outside of the classroom teachers may accompany students on field trips, supervise study halls , help with the organization of school functions, and serve as supervisors for extracurricular activities . They also have
13685-937: The balanced forms and clearly perceptible thematic processes of the 17th and 18th centuries, in a repudiation of what were seen as exaggerated gestures and formlessness of late Romanticism. Because these composers generally replaced the functional tonality of their models with extended tonality, modality, or atonality, the term is often taken to imply parody or distortion of the Baroque or Classical style. Famous examples include Prokofiev's Classical Symphony and Stravinsky's Pulcinella , Symphony of Psalms , and Concerto in E-flat "Dumbarton Oaks" . Paul Hindemith ( Symphony: Mathis der Maler ), Darius Milhaud , Francis Poulenc ( Concert champêtre ), and Manuel de Falla ( El retablo de maese Pedro , Harpsichord Concerto ) also used this style. Maurice Ravel 's Le Tombeau de Couperin
13846-401: The bench and into the game." Perhaps the most significant difference between primary school and secondary school teaching is the relationship between teachers and children. In primary schools each class has a teacher who stays with them for most of the week and will teach them the whole curriculum. In secondary schools they will be taught by different subject specialists each session during
14007-487: The century who were influenced by futurism. Characteristic features of later 20th-century music with origins in futurism include the prepared piano , integral serialism , extended vocal techniques, graphic notation, improvisation , and minimalism . In the early part of the 20th century, Charles Ives integrated American and European traditions as well as vernacular and church styles, while using innovative techniques in his rhythm, harmony, and form. His technique included
14168-450: The circumstances of a particular performance (e.g., hall acoustics) may determine certain aspects of a composition. He called this "variable form". In other cases, a work may be presented from a number of different perspectives. In Zyklus (1959), for example, he began using graphic notation for instrumental music. The score is written so that the performance can start on any page, and it may be read upside down, or from right to left, as
14329-510: The classroom. Controlled, experimental studies exploring intrinsic motivation of college students has shown that nonverbal expressions of enthusiasm, such as demonstrative gesturing, dramatic movements which are varied, and emotional facial expressions, result in college students reporting higher levels of intrinsic motivation to learn. But even while a teacher's enthusiasm has been shown to improve motivation and increase task engagement, it does not necessarily improve learning outcomes or memory for
14490-652: The college, and private schools may also require their teachers to be college members. In other areas these roles may belong to the State Board of Education , the Superintendent of Public Instruction , the State Education Agency or other governmental bodies. In still other areas Teaching Unions may be responsible for some or all of these duties. Misconduct by teachers, especially sexual misconduct , has been getting increased scrutiny from
14651-537: The completion of the opera-cycle Licht in 2003. Some works from the 1970s did not employ formula technique—e.g., the vocal duet " Am Himmel wandre ich " (In the Sky I am Walking, one of the 13 components of the multimedia Alphabet für Liège , 1972, which Stockhausen developed in conversation with the British biophysicist and lecturer on mystical aspects of sound vibration Jill Purce ), "Laub und Regen" (Leaves and Rain, from
14812-512: The concert hall. Hours 14 through 21 are solo pieces for bass voice, baritone voice, basset-horn, horn, tenor voice, soprano voice, soprano saxophone, and flute, respectively, each with electronic accompaniment of a different set of three layers from Cosmic Pulses . The twenty-one completed pieces were first performed together as a cycle at the Festival MusikTriennale Köln on 8–9 May 2010, in 176 individual concerts. In
14973-451: The content bore their students in turn. Enthusiastic teachers are rated higher by their students than teachers who did not show much enthusiasm for the course materials. Teachers that exhibit enthusiasm are more likely to have engaged, interested and energetic students who are curious about learning the subject matter. Recent research has found a correlation between teacher enthusiasm and students' intrinsic motivation to learn and vitality in
15134-428: The course of music throughout the century was the widespread break with traditional tonality, effected in diverse ways by different composers in the first decade of the century. From this sprang an unprecedented "linguistic plurality" of styles, techniques, and expression. In Vienna , Arnold Schoenberg developed atonality , out of the expressionism that arose in the early part of the 20th century. He later developed
15295-550: The end of the 19th century (often called the Fin de siècle ), the Romantic style was starting to break apart, moving along various parallel courses, such as Impressionism and Post-romanticism . In the 20th century, the different styles that emerged from the music of the previous century influenced composers to follow new trends, sometimes as a reaction to that music, sometimes as an extension of it, and both trends co-existed well into
15456-553: The enthusiasm and energy of the teacher. Research shows that student motivation and attitudes towards school are closely linked to student-teacher relationships. Enthusiastic teachers are particularly good at creating beneficial relations with their students. Their ability to create effective learning environments that foster student achievement depends on the kind of relationship they build with their students. Useful teacher-to-student interactions are crucial in linking academic success with personal achievement. Here, personal success
15617-753: The entire school community, and a good judicial system for enforcing these laws, is a school in which community discipline prevails, and in which an increasingly sophisticated concept of law and order develops, against other schools today, where rules are arbitrary, authority is absolute, punishment is capricious, and due process of law is unknown. Teachers face several occupational hazards in their line of work, including occupational stress , which can negatively impact teachers' mental and physical health, productivity, and students' performance. Stress can be caused by organizational change, relationships with students, fellow teachers, and administrative personnel, working environment, expectations to substitute, long hours with
15778-473: The exhibition halls beneath a broad lawn, with a connected auditorium "sprouting" above ground. Initially, Bornemann conceived this auditorium in the form of an amphitheatre , with a central orchestra podium and surrounding audience space. In the summer of 1968, Stockhausen met with Bornemann and persuaded him to change this conception to a spherical space with the audience in the centre, surrounded by loudspeaker groups in seven rings at different "latitudes" around
15939-552: The fact, a journalist writing for The Guardian stated that Simon Stockhausen was killed in Hungary in 1945. From 1947 to 1951, Stockhausen studied music pedagogy and piano at the Hochschule für Musik Köln (Cologne Conservatory of Music) and musicology , philosophy, and German studies at the University of Cologne . He had training in harmony and counterpoint , the latter with Hermann Schroeder , but he did not develop
16100-718: The family falsely claimed she had died 16 June 1941, but recent research by Lisa Quernes, a student at the Landesmusikgymnasium in Montabaur , has determined that she was murdered in the gas chamber, along with 89 other people, at the Hadamar Killing Facility in Hesse-Nassau on 27 May 1941. Stockhausen dramatized his mother's death in hospital by lethal injection, in Act 1 scene 2 (" Mondeva ") of
16261-535: The first act of Dienstag ) with the "solo" operas and working toward the more complex ones: Donnerstag (1978–80), Samstag (1981–83), Montag (1984–88), Dienstag (1977/1987–91), Freitag (1991–94), Mittwoch (1995–97), and finally Sonntag (1998–2003). Stockhausen had dreams of flying throughout his life, and these dreams are reflected in the Helikopter-Streichquartett (the third scene of Mittwoch aus Licht ), completed in 1993. In it,
16422-452: The first three parts of Herbstmusik (1974), also fall under this rubric. Several of these process compositions were featured in the all-day programmes presented at Expo 70, for which Stockhausen composed two more similar pieces, Pole for two players, and Expo for three. In other compositions, such as Stop for orchestra (1965), Adieu for wind quintet (1966), and the Dr. K Sextett , which
16583-487: The four members of a string quartet perform in four helicopters flying independent flight paths over the countryside near the concert hall. The sounds they play are mixed together with the sounds of the helicopters and played through speakers to the audience in the hall. Videos of the performers are also transmitted back to the concert hall. The performers are synchronized with the aid of a click track , transmitted to them and heard over headphones. The first performance of
16744-434: The future. Teachers are often required to undergo a course of initial education at a College of Education to ensure that they possess the necessary knowledge, competences and adhere to relevant codes of ethics . There are a variety of bodies designed to instill, preserve and update the knowledge and professional standing of teachers. Around the world many teachers' colleges exist; they may be controlled by government or by
16905-580: The gigantic opera cycle Licht . He died at the age of 79, on 5 December 2007 at his home in Kürten , Germany. Stockhausen was born in Burg Mödrath , the "castle" of the village of Mödrath. The village, located near Kerpen in the Cologne region, was displaced in 1956 to make way for lignite strip mining, but the castle itself still stands. Despite its name, the building is more a manor house than
17066-669: The impression of movement in space. In his Kontakte for electronic sounds (optionally with piano and percussion) (1958–60), he achieved for the first time an isomorphism of the four parameters of pitch, duration, dynamics, and timbre. In 1960, Stockhausen returned to the composition of vocal music (for the first time since Gesang der Jünglinge ) with Carré for four orchestras and four choirs. Two years later, he began an expansive cantata titled Momente (1962–64/69), for solo soprano, four choir groups and thirteen instrumentalists. In 1963, Stockhausen created Plus-Minus , "2 × 7 pages for realisation" containing basic note materials and
17227-463: The interior walls of the sphere. Although Stockhausen and Piene's planned multimedia project, titled Hinab-Hinauf , was developed in detail, the World Fair committee rejected their concept as too extravagant and instead asked Stockhausen to present daily five-hour programs of his music. Stockhausen's works were performed for 5½ hours every day over a period of 183 days to a total audience of about
17388-428: The last summing up the ideas developed up to 1961. Taken together, these temporal theories suggested that the entire compositional structure could be conceived as " timbre ": since "the different experienced components such as colour, harmony and melody , meter and rhythm, dynamics , and form correspond to the different segmental ranges of this unified time", the total musical result at any given compositional level
17549-415: The legal duty to protect students from harm, such as that which may result from bullying, sexual harassment, racism or abuse. In some education systems, teachers may be responsible for student discipline . Teaching is a highly complex activity. This is partially because teaching is a social practice, that takes place in a specific context (time, place, culture, socioeconomic situation etc.) and therefore
17710-444: The material. There are various mechanisms by which teacher enthusiasm may facilitate higher levels of intrinsic motivation. Teacher enthusiasm may contribute to a classroom atmosphere of energy and enthusiasm which feeds student interest and excitement in learning the subject matter. Enthusiastic teachers may also lead to students becoming more self-determined in their own learning process. The concept of mere exposure indicates that
17871-613: The media and the courts. A study by the American Association of University Women reported that 9.6% of students in the United States claim to have received unwanted sexual attention from an adult associated with education; be they a volunteer, bus driver, teacher, administrator or other adult; sometime during their educational career. A study in England showed a 0.3% prevalence of sexual abuse by any professional,
18032-894: The most common forms of school discipline throughout much of the world. Most Western countries, and some others, have now banned it, but it remains lawful in the United States following a US Supreme Court decision in 1977 which held that paddling did not violate the US Constitution. 30 US states have banned corporal punishment, the others (mostly in the South ) have not. It is still used to a significant (though declining) degree in some public schools in Alabama , Arkansas , Georgia , Louisiana , Mississippi , Oklahoma , Tennessee and Texas . Private schools in these and most other states may also use it. Corporal punishment in American schools
18193-458: The most common punishments in schools in the United States, the UK, Ireland, Singapore and other countries. It requires the pupil to remain in school at a given time in the school day (such as lunch, recess or after school); or even to attend school on a non-school day, e.g. "Saturday detention" held at some schools. During detention, students normally have to sit in a classroom and do work, write lines or
18354-522: The most important generally. "Indeed, the Texte come closer than anything else currently available to providing a general compositional theory for the postwar period". His most celebrated article is "... wie die Zeit vergeht ..." ("... How Time Passes ..."), first published in the third volume of Die Reihe (1957). In it, he expounds a number of temporal conceptions underlying his instrumental compositions Zeitmaße , Gruppen , and Klavierstück XI . In particular, this article develops (1)
18515-512: The music of other, like-minded composers of the period) as punktuelle Musik , "punctual" or "pointist" music, commonly mistranslated as "pointillist", though one critic concluded after analysing several of these early works that Stockhausen "never really composed punctually". Compositions from this phase include Kreuzspiel (1951), the Klavierstücke I–IV (1952—the fourth of this first set of four Klavierstücke , titled Klavierstück IV ,
18676-429: The needs of all students in the classroom. Pedagogy can be thought of in two manners. First, teaching itself can be taught in many different ways, hence, using a pedagogy of teaching styles . Second, the pedagogy of the learners comes into play when a teacher assesses the pedagogic diversity of their students and differentiates for the individual students accordingly. For example, an experienced teacher and parent described
18837-428: The ninth time. In the early 1990s, Stockhausen reacquired the licenses to most of the recordings of his music he had made to that point, and started his own record company to make this music permanently available on Compact Disc. Stockhausen died of sudden heart failure on the morning of 5 December 2007 in Kürten , North Rhine-Westphalia. The night before, he had finished a recently commissioned work for performance by
18998-608: The opera Donnerstag aus Licht . In late 1944, Stockhausen was conscripted to serve as a stretcher bearer in Bedburg . In February 1945, he met his father for the last time in Altenberg. Simon, who was on leave from the front, told his son, "I'm not coming back. Look after things." By the end of the war, his father was regarded as missing in action, and may have been killed in Hungary. A comrade later reported to Karlheinz that he saw his father wounded in action. Fifty-five years after
19159-549: The operas ( Donnerstag [Thursday], Samstag [Saturday], and Montag [Monday], respectively), the three possible pairings are foregrounded in three others, and the equal combination of all three is featured in Mittwoch (Wednesday). Stockhausen's conception of opera was based significantly on ceremony and ritual, with influence from the Japanese Noh theatre, as well as Judeo-Christian and Vedic traditions. In 1968, at
19320-575: The orchestral Trans (1971) and two music-theatre compositions utilizing the Tierkreis melodies: Musik im Bauch ("Music in the Belly") for six percussionists (1975), and the science-fiction "opera" Sirius (1975–77) for eight-channel electronic music with soprano, bass, trumpet, and bass clarinet, which has four different versions for the four seasons, each lasting over an hour and a half. Between 1977 and 2003, Stockhausen composed seven operas in
19481-590: The past for inspiration and wrote works that drew elements (form, harmony, melody, structure) from it. This type of music thus became labelled neoclassicism . Igor Stravinsky ( Pulcinella ), Sergei Prokofiev ( Classical Symphony ), Ravel ( Le Tombeau de Couperin ), Manuel de Falla ( El retablo de maese Pedro ) and Paul Hindemith ( Symphony: Mathis der Maler ) all produced neoclassical works. Italian composers such as Francesco Balilla Pratella and Luigi Russolo developed musical Futurism . This style often tried to recreate everyday sounds and place them in
19642-628: The performer chooses. Still other works permit different routes through the constituent parts. Stockhausen called both of these possibilities "polyvalent form", which may be either open form (essentially incomplete, pointing beyond its frame), as with Klavierstück XI (1956), or "closed form" (complete and self-contained) as with Momente (1962–64/69). In many of his works, elements are played off against one another, simultaneously and successively: in Kontra-Punkte ("Against Points", 1952–53), which, in its revised form became his official "opus 1",
19803-822: The piece took place in Amsterdam on 26 June 1995, as part of the Holland Festival . Despite its extremely unusual nature, the piece has been given several performances, including one on 22 August 2003 as part of the Salzburg Festival to open the Hangar-7 venue, and the German première on 17 June 2007 in Braunschweig as part of the Stadt der Wissenschaft 2007 Festival. The work has also been recorded by
19964-457: The place of a teacher in learning as follows: "The real bulk of learning takes place in self-study and problem solving with a lot of feedback around that loop. The function of the teacher is to pressure the lazy, inspire the bored, deflate the cocky, encourage the timid, detect and correct individual flaws, and broaden the viewpoint of all. This function looks like that of a coach using the whole gamut of psychology to get each new class of rookies off
20125-415: The preservation of public order is easier and more efficient than anywhere else. Primarily because rules and regulations are made by the community as a whole, thence the school atmosphere is one of persuasion and negotiation, rather than confrontation since there is no one to confront. Sudbury model democratic schools' proponents argue that a school that has good, clear laws, fairly and democratically passed by
20286-443: The process of gradually substituting beats for rests (or rests for beats); (2) the gradual changing of timbre while rhythm and pitch remain constant; (3) the simultaneous combination of instruments of different timbre; and (4) the use of the human voice to become part of the musical ensemble by imitating the exact sound of the instruments”. Drumming was Reich’s final use of the phasing technique. Philip Glass's 1 + 1 (1968) employs
20447-474: The public eye until, in 1971, he published Chöre für Doris , Drei Lieder for alto voice and chamber orchestra, Choral for a cappella choir (all three from 1950), and a Sonatine for violin and piano (1951). In August 1951, just after his first Darmstadt visit, Stockhausen began working with a form of athematic serial composition that rejected the twelve-tone technique of Schoenberg . He characterized many of these earliest compositions (together with
20608-452: The relevant authority. Many times, teachers assist in learning outside of the classroom by accompanying students on field trips. The increasing use of technology , specifically the rise of the internet over the past decade, has begun to shape the way teachers approach their roles in the classroom . The objective is typically a course of study, lesson plan , or a practical skill. A teacher may follow standardized curricula as determined by
20769-425: The relevant authority. The teacher may interact with students of different ages, from infants to adults, students with different abilities and students with learning disabilities . Teaching using pedagogy also involve assessing the educational levels of the students on particular skills. Understanding the pedagogy of the students in a classroom involves using differentiated instruction as well as supervision to meet
20930-494: The requirements of spatial music". His idea was a spherical space which is fitted all around with loudspeakers. In the middle of this spherical space a sound-permeable, transparent platform would be suspended for the listeners. They could hear music composed for such standardized spaces coming from above, from below and from all points of the compass. In 1968, the West German government invited Stockhausen to collaborate on
21091-551: The scores produced by his publishing company. His notable compositions include the series of nineteen Klavierstücke (Piano Pieces), Kontra-Punkte for ten instruments, the electronic/ musique-concrète Gesang der Jünglinge , Gruppen for three orchestras, the percussion solo Zyklus , Kontakte , the cantata Momente , the live-electronic Mikrophonie I , Hymnen , Stimmung for six vocalists, Aus den sieben Tagen , Mantra for two pianos and electronics, Tierkreis , Inori for soloists and orchestra, and
21252-450: The sex offenders register and that prosecution for statutory rape "is a real anomaly in the law that we are concerned about." This has led to outrage from child protection and parental rights groups. Fears of being labelled a pedophile or hebephile has led to several men who enjoy teaching avoiding the profession. This has in some jurisdictions reportedly led to a shortage of male teachers. Teachers facilitate student learning, often in
21413-549: The social impact of communism and subsequently had to work within the strictures of socialist realism in their music. Other composers, such as Benjamin Britten ( War Requiem ), explored political themes in their works, albeit entirely at their own volition. Nationalism was also an important means of expression in the early part of the century. The culture of the United States of America, especially, began informing an American vernacular style of classical music, notably in
21574-875: The source material was acoustical sounds from the everyday world, the term musique concrète was used; when the sounds were produced by electronic generators, it was designated electronic music . After the 1950s, the term "electronic music" came to be used for both types. Sometimes such electronic music was combined with more conventional instruments, Edgard Varèse 's Déserts (1954), Stockhausen's Hymnen (1969), Claude Vivier 's Wo bist du Licht! (1981), and Mario Davidovsky 's series of Synchronisms (1963–2006) are notable examples. Some prominent 20th-century composers are not associated with any widely recognised school of composition . The list below includes some of those, as well as notable classifiable composers not mentioned earlier in this article: Citations Sources Schoolteacher A teacher , also called
21735-440: The teacher's enthusiasm may contribute to the student's expectations about intrinsic motivation in the context of learning. Also, enthusiasm may act as a "motivational embellishment", increasing a student's interest by the variety, novelty, and surprise of the enthusiastic teacher's presentation of the material. Finally, the concept of emotional contagion may also apply: students may become more intrinsically motivated by catching onto
21896-662: The teaching profession itself. They are generally established to serve and protect the public interest through certifying , governing, quality controlling, and enforcing standards of practice for the teaching profession. The functions of the teachers' colleges may include setting out clear standards of practice, providing for the ongoing education of teachers, investigating complaints involving members, conducting hearings into allegations of professional misconduct and taking appropriate disciplinary action and accrediting teacher education programs. In many situations teachers in publicly funded schools must be members in good standing with
22057-437: The technique called phasing in which a phrase played by one player maintaining a constant pace is played simultaneously by another but at a slightly quicker pace. This causes the players to go "out of phase" with each other and the performance may continue until they come back in phase. According to Reich, “ Drumming is the final expansion and refinement of the phasing process, as well as the first use of four new techniques: (1)
22218-565: The term Impressionism: "I am trying to do 'something different—in a way realities—what the imbeciles call 'impressionism' is a term which is as poorly used as possible, particularly by art critics". Maurice Ravel 's music, also often labelled as impressionist, explores music in many styles not always related to it (see the discussion on Neoclassicism, below). Many composers reacted to the Post-Romantic and Impressionist styles and moved in different directions. An important moment in defining
22379-521: The theatre piece Herbstmusik (1974), the unaccompanied-clarinet composition Amour , and the choral opera Atmen gibt das Leben (Breathing Gives Life, 1974/77)—but nevertheless share its simpler, melodically oriented style. Two such pieces, Tierkreis ("Zodiac", 1974–75) and In Freundschaft (In Friendship, 1977, a solo piece with versions for virtually every orchestral instrument), have become Stockhausen's most widely performed and recorded compositions. This dramatic simplification of style provided
22540-516: The time of the composition of Aus den sieben Tagen , Stockhausen had read a biography by Satprem about the Bengali guru Sri Aurobindo , and subsequently he also read many of the published writings by Aurobindo himself. The title of Licht owes something to Aurobindo's theory of " Agni " (the Hindu and Vedic fire deity), developed from two basic premises of nuclear physics; Stockhausen's definition of
22701-413: The traditional symphonic forms and reworked them. (See Romantic music .) Some writers hold that Schoenberg's work is squarely within the late-Romantic tradition of Wagner and Brahms and, more generally, that "the composer who most directly and completely connects late Wagner and the 20th century is Arnold Schoenberg". Neoclassicism was a style cultivated between the two world wars, which sought to revive
22862-514: The trumpet—from Sirius (1975–77) to the trumpet version of In Freundschaft (1997)—were composed for and premièred by his son Markus. Markus, at the age of 4 years, had performed the part of The Child in the Cologne première of Originale , alternating performances with his sister Christel. Klavierstück XII and Klavierstück XIII (and their versions as scenes from the operas Donnerstag aus Licht and Samstag aus Licht ) were written for his daughter Majella, and were first performed by her at
23023-402: The use of polytonality , polyrhythm , tone clusters , aleatoric elements, and quarter tones . Edgard Varèse wrote highly dissonant pieces that utilized unusual sonorities and futuristic, scientific-sounding names. He pioneered the use of new instruments and electronic resources (see below). By the late 1920s, though many composers continued to write in a vaguely expressionist manner, it
23184-411: The week and may have ten or more different teachers. The relationship between children and their teachers tends to be closer in the primary school where they act as form tutor, specialist teacher and surrogate parent during the course of the day. This is true throughout most of the United States as well. However, alternative approaches for primary education do exist. One of these, sometimes referred to as
23345-430: The work environment, and offering promotions and bonuses, may be effective in helping to reduce occupational stress among teachers. Individual-level interventions, including stress-management training and counseling, are also used to relieve occupational stress among teachers. Apart from this, teachers are often not given sufficient opportunities for professional growth or promotions. This leads to some stagnancy, as there
23506-551: The work of many composers, including Igor Stravinsky 's Threni (1957–58) and Movements for piano and orchestra (1958–59) and other works up to the Variations: Aldous Huxley in Memoriam (1963–64), whose rhythms "are likely to have been inspired, at least in part, by certain passages from Stockhausen's Gruppen ". Though music of Stockhausen's generation may seem an unlikely influence, Stravinsky said in
23667-525: The works of Charles Ives , John Alden Carpenter , and (later) George Gershwin . Folk music (Vaughan Williams' Five Variants of Dives and Lazarus , Gustav Holst 's A Somerset Rhapsody ) and jazz (Gershwin, Leonard Bernstein , Darius Milhaud 's La création du monde ) were also influential. In the last quarter of the century, eclecticism and polystylism became important. These, as well as minimalism , New Complexity , and New Simplicity , are more fully explored in their respective articles. At
23828-683: Was a sensuous experience, rather than an intellectual or ethical one. He urged his countrymen to rediscover the French masters of the 18th century, for whom music was meant to charm, to entertain, and to serve as a "fantasy of the senses". Other composers associated with impressionism include Maurice Ravel , Albert Roussel , Isaac Albéniz , Paul Dukas , Manuel de Falla , Charles Martin Loeffler , Charles Griffes , Frederick Delius , Ottorino Respighi , Cyril Scott and Karol Szymanowski . Many French composers continued impressionism's language through
23989-510: Was being supplanted by the more impersonal style of the German Neue Sachlichkeit and neoclassicism . Because expressionism, like any movement that had been stigmatized by the Nazis, gained a sympathetic reconsideration following World War II, expressionist music resurfaced in works by composers such as Hans Werner Henze , Pierre Boulez , Peter Maxwell Davies , Wolfgang Rihm , and Bernd Alois Zimmermann . Postmodernism
24150-480: Was educated at the Hochschule für Musik Köln and the University of Cologne , later studying with Olivier Messiaen in Paris and with Werner Meyer-Eppler at the University of Bonn . As one of the leading figures of the Darmstadt School , his compositions and theories were and remain widely influential, not only on composers of art music , but also on jazz and popular music . His works, composed over
24311-583: Was established with Gesang der Jünglinge and three concurrently composed pieces in different media: Zeitmaße for five woodwinds, Gruppen for three orchestras, and Klavierstück XI . The principles underlying the latter three compositions are presented in Stockhausen's best-known theoretical article, "... wie die Zeit vergeht ..." ("... How Time Passes ..."), first published in 1957 in vol. 3 of Die Reihe . His work with electronic music and its utter fixity led him to explore modes of instrumental and vocal music in which performers' individual capabilities and
24472-662: Was first publicly described by Stockhausen in a radio talk from December 1955, titled "Gruppenkomposition: Klavierstück I ". In December 1952, he composed a Konkrete Etüde , realized in Pierre Schaeffer 's Paris musique concrète studio. In March 1953, he moved to the NWDR studio in Cologne and turned to electronic music with two Electronic Studies (1953 and 1954), and then introducing spatial placements of sound sources with his mixed concrète and electronic work Gesang der Jünglinge (1955–56). Experiences gained from
24633-498: Was gauged at 95% with a 4% margin of error. In the United States especially, several high-profile cases such as Debra LaFave , Pamela Rogers Turner , and Mary Kay Letourneau have caused increased scrutiny on teacher misconduct. Chris Keates , the general secretary of National Association of Schoolmasters Union of Women Teachers , said that teachers who have sex with pupils over the age of consent should not be placed on
24794-424: Was later coined to include all forms of music involving magnetic tape , computers , synthesizers , multimedia , and other electronic devices and techniques. Live electronic music uses live electronic sounds within a performance (as opposed to preprocessed sounds that are overdubbed during a performance), John Cage 's Cartridge Music being an early example. Spectral music ( Gérard Grisey and Tristan Murail )
24955-620: Was less than happy, in January 1942 Karlheinz became a boarder at the teachers' training college in Xanten , where he continued his piano training and also studied oboe and violin. In 1941, he learned that his mother had died, ostensibly from leukemia, although everyone at the same hospital had supposedly died of the same disease. It was generally understood that she had been a victim of the Nazi policy of killing " useless eaters ". The official letter to
25116-555: Was quickly embraced by the Russian avant-garde. In 1913, the painter Luigi Russolo published a manifesto, L'arte dei rumori (The Art of Noises), calling for the incorporation of noises of every kind into music. In addition to Russolo, composers directly associated with this movement include the Italians Silvio Mix, Nuccio Fiorda, Franco Casavola , and Pannigi (whose 1922 Ballo meccanico included two motorcycles), and
25277-641: Was the Wind Quintet , Op. 26, written in 1923–24. Later examples include the Variations for Orchestra , Op. 31 (1926–28), the Third and Fourth String Quartets (1927 and 1936, respectively), the Violin Concerto (1936) and Piano Concerto (1942). In later years, he intermittently returned to a more tonal style ( Kammersymphonie no. 2 , begun in 1906 but completed only in 1939; Variations on
25438-572: Was the daughter of a prosperous family of farmers in Neurath in the Cologne Bight . A daughter, Katherina, was born the year after Karlheinz, and a second son, Hermann-Josef ("Hermännchen") followed in 1932. Gertrud played the piano and accompanied her own singing but, after three pregnancies in as many years, experienced a mental breakdown and was institutionalized in December 1932, followed
25599-480: Was the first overt example of this trend. In 1968, Stockhausen composed the vocal sextet Stimmung , for the Collegium Vocale Köln , an hour-long work based entirely on the overtones of a low B-flat . In the following year, he created Fresco for four orchestral groups, a Wandelmusik ("foyer music") composition. This was intended to be played for about five hours in the foyers and grounds of
25760-482: Was the first time he had been asked to provide music specially for the purpose. He adapted 21 minutes of material taken from his electronic music for Freitag aus Licht , calling the result Zwei Paare (Two Couples), and the Brothers Quay created their animated film, which they titled In Absentia , based only on their reactions to the music and the simple suggestion that a window might be an idea to use. When, at
25921-495: Was written in 1968–69 in honour of Alfred Kalmus of Universal Edition, he presented his performers with more restricted improvisational possibilities. He pioneered live electronics in Mixtur (1964/67/2003) for orchestra and electronics, Mikrophonie I (1964) for tam-tam , two microphones, two filters with potentiometers (6 players), Mikrophonie II (1965) for choir, Hammond organ , and four ring modulators , and Solo for
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