129-746: The Greatest Generation , also known as the G.I. Generation and the World War II Generation , is the demographic cohort following the Lost Generation and preceding the Silent Generation . The social generation is generally defined as people born from 1901 to 1927. They were shaped by the Great Depression and were the primary generation composing the enlisted forces in World War II . Most people of
258-640: A Space Race against the Soviet Union , and his successor, Lyndon B. Johnson , further promoted a controversial " Great Society " policy. Research professor of sociology Glen Holl Elder, Jr. , a prominent figure in the development of life course theory , wrote Children of the Great Depression (1974), "the first longitudinal study of a Great Depression cohort." Elder followed 167 individuals born in California between 1920 and 1921 and "traced
387-468: A significant comparison, numbers must be altered for the size of the population that is under study. For example, the fertility rate is calculated as the ratio of the number of births to women of childbearing age to the total number of women in this age range. If these adjustments were not made, we would not know if a nation with a higher rate of births or deaths has a population with more women of childbearing age or more births per eligible woman. Within
516-518: A "form of art music which originated in the United States through the confrontation of the Negro with European music" and arguing that it differs from European music in that jazz has a "special relationship to time defined as 'swing ' ". Jazz involves "a spontaneity and vitality of musical production in which improvisation plays a role" and contains a "sonority and manner of phrasing which mirror
645-401: A 2004 study done by AARP , "There are 26 million people aged 77 or older in the United States. These people are largely conservative on economic (59%) and social (49%) issues, and about one-third of them say they have become more conservative on economic, social, foreign policy, moral, and legal issues as they have aged. Over 9 in 10 (91%) of this age group are registered to vote and 90% voted in
774-526: A coherent tradition". Duke Ellington , one of jazz's most famous figures, said, "It's all music." Although jazz is considered difficult to define, in part because it contains many subgenres, improvisation is one of its defining elements. The centrality of improvisation is attributed to the influence of earlier forms of music such as blues , a form of folk music which arose in part from the work songs and field hollers of African-American slaves on plantations. These work songs were commonly structured around
903-476: A common element of popular culture in the western world, and media related to this generation's experiences continues to be produced. The romanticizing of this generation has faced criticism by some. However, some also praise the traits and actions of this generation and cite their sacrifices as a lesson for current generations. During the COVID-19 pandemic , living members of this generation have been impacted by
1032-401: A country (or other entity) contains Population t persons at time t . What is the size of the population at time t + 1 ? Natural increase from time t to t + 1: Net migration from time t to t + 1: These basic equations can also be applied to subpopulations. For example, the population size of ethnic groups or nationalities within a given society or country is subject to
1161-473: A drum made by stretching skin over a flour-barrel. Lavish festivals with African-based dances to drums were organized on Sundays at Place Congo, or Congo Square, in New Orleans until 1843. There are historical accounts of other music and dance gatherings elsewhere in the southern United States. Robert Palmer said of percussive slave music: Usually such music was associated with annual festivals, when
1290-530: A few rare individuals, such as Anna Del Priore, managed to survive infection from the Spanish flu and the COVID-19 pandemic approximately 100 years later. They also experienced much of their youth with rapid technological innovation (e.g., radio, telephone, automobile ) amidst growing levels of worldwide income inequality and a soaring economy. After the Stock Market crashed , when many had matured in
1419-484: A field of sociology , though there are a number of independent demography departments. These methods have primarily been developed to study human populations, but are extended to a variety of areas where researchers want to know how populations of social actors can change across time through processes of birth, death, and migration . In the context of human biological populations, demographic analysis uses administrative records to develop an independent estimate of
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#17327720798191548-410: A limited melodic range, sounding like a field holler, and the guitar accompaniment was slapped rather than strummed, like a small drum which responded in syncopated accents, functioning as another "voice". Handy and his band members were formally trained African-American musicians who had not grown up with the blues, yet he was able to adapt the blues to a larger band instrument format and arrange them in
1677-460: A multi- strain ragtime march with four parts that feature recurring themes and a bass line with copious seventh chords . Its structure was the basis for many other rags, and the syncopations in the right hand, especially in the transition between the first and second strain, were novel at the time. The last four measures of Scott Joplin's "Maple Leaf Rag" (1899) are shown below. African-based rhythmic patterns such as tresillo and its variants,
1806-460: A new product, and to analyze certain dynamics of a company's workforce. Choosing a new location for a branch of a bank, choosing the area in which to start a new supermarket, consulting a bank loan officer that a particular location would be a beneficial site to start a car wash, and determining what shopping area would be best to buy and be redeveloped in metropolis area are types of problems in which demographers can be called upon. Standardization
1935-498: A period of transition where in demography emerged from statistics as a separate field of interest. This period included a panoply of international 'great demographers' like Adolphe Quetelet (1796–1874), William Farr (1807–1883), Louis-Adolphe Bertillon (1821–1883) and his son Jacques (1851–1922), Joseph Körösi (1844–1906), Anders Nicolas Kaier (1838–1919), Richard Böckh (1824–1907), Émile Durkheim (1858–1917), Wilhelm Lexis (1837–1914), and Luigi Bodio (1840–1920) contributed to
2064-660: A popular music form. Handy wrote about his adopting of the blues: The primitive southern Negro, as he sang, was sure to bear down on the third and seventh tone of the scale, slurring between major and minor. Whether in the cotton field of the Delta or on the Levee up St. Louis way, it was always the same. Till then, however, I had never heard this slur used by a more sophisticated Negro, or by any white man. I tried to convey this effect ... by introducing flat thirds and sevenths (now called blue notes) into my song, although its prevailing key
2193-439: A repetitive call-and-response pattern, but early blues was also improvisational. Classical music performance is evaluated more by its fidelity to the musical score , with less attention given to interpretation, ornamentation, and accompaniment. The classical performer's goal is to play the composition as it was written. In contrast, jazz is often characterized by the product of interaction and collaboration, placing less value on
2322-492: A single musical tradition in New Orleans or elsewhere. In the 1930s, arranged dance-oriented swing big bands , Kansas City jazz (a hard-swinging, bluesy, improvisational style), and gypsy jazz (a style that emphasized musette waltzes) were the prominent styles. Bebop emerged in the 1940s, shifting jazz from danceable popular music toward a more challenging "musician's music" which was played at faster tempos and used more chord-based improvisation. Cool jazz developed near
2451-416: A soloist is supported by a rhythm section of one or more chordal instruments (piano, guitar), double bass, and drums. The rhythm section plays chords and rhythms that outline the composition structure and complement the soloist. In avant-garde and free jazz , the separation of soloist and band is reduced, and there is license, or even a requirement, for the abandoning of chords, scales, and meters. Since
2580-426: A standardized mortality rate (SMR) or standardized incidence rate (SIR). Population change is analyzed by measuring the change between one population size to another. Global population continues to rise, which makes population change an essential component to demographics. This is calculated by taking one population size minus the population size in an earlier census . The best way of measuring population change
2709-484: A time of rapid imperialism . One member of this generation, Hirohito , would become Emperor in 1926, when Japan was already one of the great powers . Nearly 18 million members of this generation would fight in World War II and approximately 3 million, including civilians, would be killed or wounded . Japanese cities, towns, and villages were devastated by Allied bombing campaigns. In an effort to prepare for
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#17327720798192838-499: A variety of demographic methods for modelling population processes. They include models of mortality (including the life table , Gompertz models , hazards models , Cox proportional hazards models , multiple decrement life tables , Brass relational logits), fertility (Hermes model, Coale -Trussell models, parity progression ratios ), marriage (Singulate Mean at Marriage, Page model), disability ( Sullivan's method , multistate life tables), population projections ( Lee-Carter model ,
2967-407: A victim of the post-war atmosphere of paranoia. Today, former Soviet states celebrate an annual Victory Day . The latest survey conducted by Russia's Levada Center suggests Victory Day is still one of the most important public holidays for Russian citizens, with 65% of those surveyed planning to celebrate it. But for nearly one third of people (31%) it is a "state public event" while for another 31% it
3096-500: Is a music genre that originated in the African-American communities of New Orleans , Louisiana , in the late 19th and early 20th centuries, with its roots in blues , ragtime , European harmony , African rhythmic rituals, spirituals , hymns , marches , vaudeville song, and dance music . Since the 1920s Jazz Age , it has been recognized as a major form of musical expression in traditional and popular music . Jazz
3225-452: Is a "memorial day for all former Soviet people". Only 16% of those asked recognize it in its original context as a "veterans' memorial day". The predominant emotion the holiday provokes among Russians (59% of respondents) is national pride, while 18% said "sorrow" and 21% said "both". For modern Russians, the conflict continues to provide the population with a nationalistic rallying call. The World War II generation of Japan came of age during
3354-529: Is a "white jazz" genre that expresses whiteness . White jazz musicians appeared in the Midwest and in other areas throughout the U.S. Papa Jack Laine , who ran the Reliance band in New Orleans in the 1910s, was called "the father of white jazz". The Original Dixieland Jazz Band , whose members were white, were the first jazz group to record, and Bix Beiderbecke was one of the most prominent jazz soloists of
3483-693: Is a fundamental rhythmic figure heard in many different slave musics of the Caribbean, as well as the Afro-Caribbean folk dances performed in New Orleans Congo Square and Gottschalk's compositions (for example "Souvenirs From Havana" (1859)). Tresillo (shown below) is the most basic and most prevalent duple-pulse rhythmic cell in sub-Saharan African music traditions and the music of the African Diaspora . Tresillo
3612-419: Is a useful demographic technique used in the analysis of a business. It can be used as an interpretive and analytic tool for the comparison of different markets. These organizations have interests about the number and characteristics of their clients so they can maximize the sale of their products, their outlook on their influence, or the ends of their power, services, and beneficial works. Jazz Jazz
3741-417: Is because developed countries have proportionally more older people, who are more likely to die in a given year, so that the overall mortality rate can be higher even if the mortality rate at any given age is lower. A more complete picture of mortality is given by a life table , which summarizes mortality separately at each age. A life table is necessary to give a good estimate of life expectancy. Suppose that
3870-469: Is characterized by swing and blue notes , complex chords , call and response vocals , polyrhythms and improvisation . As jazz spread around the world, it drew on national, regional, and local musical cultures, which gave rise to different styles. New Orleans jazz began in the early 1910s, combining earlier brass band marches, French quadrilles , biguine , ragtime and blues with collective polyphonic improvisation . However, jazz did not begin as
3999-493: Is heard prominently in New Orleans second line music and in other forms of popular music from that city from the turn of the 20th century to present. "By and large the simpler African rhythmic patterns survived in jazz ... because they could be adapted more readily to European rhythmic conceptions," jazz historian Gunther Schuller observed. "Some survived, others were discarded as the Europeanization progressed." In
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4128-431: Is likely to continue to rise. Populations can change through three processes: fertility, mortality, and migration. Fertility involves the number of children that women have and is to be contrasted with fecundity (a woman's childbearing potential). Mortality is the study of the causes, consequences, and measurement of processes affecting death to members of the population. Demographers most commonly study mortality using
4257-550: Is seen as the intellectual father of ideas of overpopulation and the limits to growth. Later, more sophisticated and realistic models were presented by Benjamin Gompertz and Verhulst . In 1855, a Belgian scholar Achille Guillard defined demography as the natural and social history of human species or the mathematical knowledge of populations, of their general changes, and of their physical, civil, intellectual, and moral condition. The period 1860–1910 can be characterized as
4386-622: Is sometimes referred to as the Interbellum Generation . The majority of veterans who served in World War II were born during the second half of this generation, from 1913 to 1924. While the oldest members of the Interbellum Generation came of age at the close of the 1910s in 1919, the majority reached maturity in the 1920s and the minority had grown up in the initial years of the Great Depression from 1929 to 1932. The "WWII Generation Proper" came of age in either
4515-400: Is that jazz can absorb and transform diverse musical styles. By avoiding the creation of norms, jazz allows avant-garde styles to emerge. For some African Americans, jazz has drawn attention to African-American contributions to culture and history. For others, jazz is a reminder of "an oppressive and racist society and restrictions on their artistic visions". Amiri Baraka argues that there
4644-473: Is the statistical study of human populations : their size, composition (e.g., ethnic group, age), and how they change through the interplay of fertility (births), mortality (deaths), and migration. Demographic analysis examines and measures the dimensions and dynamics of populations; it can cover whole societies or groups defined by criteria such as education , nationality , religion , and ethnicity . Educational institutions usually treat demography as
4773-554: Is the case in much of the developing world, and most of historical demography . One of these techniques in contemporary demography is the sister method, where survey researchers ask women how many of their sisters have died or had children and at what age. With these surveys, researchers can then indirectly estimate birth or death rates for the entire population. Other indirect methods in contemporary demography include asking people about siblings, parents, and children. Other indirect methods are necessary in historical demography. There are
4902-432: Is today widely taught in many universities across the world, attracting students with initial training in social sciences, statistics or health studies. Being at the crossroads of several disciplines such as sociology , economics , epidemiology , geography , anthropology and history , demography offers tools to approach a large range of population issues by combining a more technical quantitative approach that represents
5031-510: Is used in a wide variety of contexts. For example, it is often used in business plans, to describe the population connected to the geographic location of the business. Demographic analysis is usually abbreviated as DA. For the 2010 U.S. Census, The U.S. Census Bureau has expanded its DA categories. Also as part of the 2010 U.S. Census, DA now also includes comparative analysis between independent housing estimates, and census address lists at different key time points. Patient demographics form
5160-421: Is using the intercensal percentage change. The intercensal percentage change is the absolute change in population between the censuses divided by the population size in the earlier census. Next, multiply this a hundredfold to receive a percentage . When this statistic is achieved, the population growth between two or more nations that differ in size, can be accurately measured and examined. For there to be
5289-476: Is well documented. It is believed to be related to jasm , a slang term dating back to 1860 meaning ' pep, energy ' . The earliest written record of the word is in a 1912 article in the Los Angeles Times in which a minor league baseball pitcher described a pitch which he called a 'jazz ball' "because it wobbles and you simply can't do anything with it". The use of the word in a musical context
Greatest Generation - Misplaced Pages Continue
5418-639: The 2000 presidential election . The last member of this generation to be elected president was George H. W. Bush (1989–1993), and as of 2024 the last surviving president from this generation is Jimmy Carter (1977–1981). In its latter years, this generation was introduced to continued technological advancements such as mobile phones and the Internet. As of 2024 some 66,000 (under 1%) of the 16 million Americans who served in World War II remain alive. Living members of this generation are either in their late 90s or are centenarians . The lives of this generation are
5547-625: The Atlantic slave trade had brought nearly 400,000 Africans to North America. The slaves came largely from West Africa and the greater Congo River basin and brought strong musical traditions with them. The African traditions primarily use a single-line melody and call-and-response pattern, and the rhythms have a counter-metric structure and reflect African speech patterns. An 1885 account says that they were making strange music (Creole) on an equally strange variety of 'instruments'—washboards, washtubs, jugs, boxes beaten with sticks or bones and
5676-744: The International Union for the Scientific Study of Population , or a national association such as the Population Association of America in the United States, or affiliates of the Federation of Canadian Demographers in Canada . Population composition is the description of population defined by characteristics such as age, race , sex or marital status . These descriptions can be necessary for understanding
5805-666: The Leslie Matrix ), and population momentum ( Keyfitz ). The United Kingdom has a series of four national birth cohort studies, the first three spaced apart by 12 years: the 1946 National Survey of Health and Development , the 1958 National Child Development Study , the 1970 British Cohort Study , and the Millennium Cohort Study , begun much more recently in 2000. These have followed the lives of samples of people (typically beginning with around 17,000 in each study) for many years, and are still continuing. As
5934-516: The Middle Ages , Christian thinkers devoted much time in refuting the Classical ideas on demography. Important contributors to the field were William of Conches , Bartholomew of Lucca , William of Auvergne , William of Pagula , and Muslim sociologists like Ibn Khaldun . One of the earliest demographic studies in the modern period was Natural and Political Observations Made upon
6063-572: The United States and much of Europe ), registry statistics are the best method for estimating the number of births and deaths. A census is the other common direct method of collecting demographic data. A census is usually conducted by a national government and attempts to enumerate every person in a country. In contrast to vital statistics data, which are typically collected continuously and summarized on an annual basis, censuses typically occur only every 10 years or so, and thus are not usually
6192-519: The Yasukuni Shrine to pay tribute to their fallen comrades. Even after defeat, Japan would achieve unprecedented prosperity through businesses such as Sony Corporation (founded by Akio Morita ) and cultural influence, as in cinema by Akira Kurosawa . Demography Demography (from Ancient Greek δῆμος ( dêmos ) 'people, society' and -γραφία ( -graphía ) 'writing, drawing, description')
6321-460: The assumed Allied invasion , the Japanese government prepared to submit this generation to "Operation Ketsugo", in which the Japanese population would fight a war of attrition . Returning veterans found their country occupied and received little support or respect. Surviving members of this generation would see Japan emerge as the world's second-largest economy by 1989. Surviving veterans visit
6450-710: The fall of the Berlin Wall and the creation of the European Union. Unlike the Western allies and the Soviet Union, Germany did not honor its veterans, as the association with Nazism continues in contemporary Germany today. As children, members of this generation came of age during Joseph Stalin 's rise to power. They endured the Holodomor famine , which killed millions. The World War II generation of
6579-666: The life table , a statistical device that provides information about the mortality conditions (most notably the life expectancy) in the population. Migration refers to the movement of persons from a locality of origin to a destination place across some predefined, political boundary. Migration researchers do not designate movements 'migrations' unless they are somewhat permanent. Thus, demographers do not consider tourists and travellers to be migrating. While demographers who study migration typically do so through census data on place of residence, indirect sources of data including tax forms and labour force surveys are also important. Demography
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#17327720798196708-433: The social dynamics from historical and comparative research. This data is often compared using a population pyramid . Population composition is also a very important part of historical research. Information ranging back hundreds of years is not always worthwhile, because the numbers of people for which data are available may not provide the information that is important (such as population size ). Lack of information on
6837-471: The swing era of the 1920s–40s, big bands relied more on arrangements which were written or learned by ear and memorized. Soloists improvised within these arrangements. In the bebop era of the 1940s, big bands gave way to small groups and minimal arrangements in which the melody was stated briefly at the beginning and most of the piece was improvised. Modal jazz abandoned chord progressions to allow musicians to improvise even more. In many forms of jazz,
6966-948: The 1920s. The Chicago Style was developed by white musicians such as Eddie Condon , Bud Freeman , Jimmy McPartland , and Dave Tough . Others from Chicago such as Benny Goodman and Gene Krupa became leading members of swing during the 1930s. Many bands included both Black and white musicians. These musicians helped change attitudes toward race in the U.S. Female jazz performers and composers have contributed to jazz throughout its history. Although Betty Carter , Ella Fitzgerald , Adelaide Hall , Billie Holiday , Peggy Lee , Abbey Lincoln , Anita O'Day , Dinah Washington , and Ethel Waters were recognized for their vocal talent, less familiar were bandleaders, composers, and instrumentalists such as pianist Lil Hardin Armstrong , trumpeter Valaida Snow , and songwriters Irene Higginbotham and Dorothy Fields . Women began playing instruments in jazz in
7095-491: The 1930s, this generation experienced profound economic and social turmoil. Despite the hardships, historians note that the literature, arts, music, and cinema of the period flourished. This generation experienced what is commonly referred to as the " Golden Age of Hollywood ". A number of popular film genres, including gangster films , musical films , comedy films , and monster films attracted mass audiences. The Great Depression also greatly influenced literature and witnessed
7224-451: The 1950s, many women jazz instrumentalists were prominent, some sustaining long careers. Some of the most distinctive improvisers, composers, and bandleaders in jazz have been women. Trombonist Melba Liston is acknowledged as the first female horn player to work in major bands and to make a real impact on jazz, not only as a musician but also as a respected composer and arranger, particularly through her collaborations with Randy Weston from
7353-596: The 1960s in the form of the Vietnam War , civil rights movement , Watergate scandal , and a generational culture clash . Attitudes shaped during World War II clashed with those of the Vietnam era as many struggled to understand the general distrust of the government by the younger generations, while some supported anti-war protests. The same applied to a lesser extent in the 1950s between the Interbellum Generation and their Silent Generation children. According to
7482-751: The Application of Probabilities to Life Contingencies (1838). In 1755, Benjamin Franklin published his essay Observations Concerning the Increase of Mankind, Peopling of Countries, etc. , projecting exponential growth in British colonies . His work influenced Thomas Robert Malthus , who, writing at the end of the 18th century, feared that, if unchecked, population growth would tend to outstrip growth in food production, leading to ever-increasing famine and poverty (see Malthusian catastrophe ). Malthus
7611-564: The Bills of Mortality (1662) by John Graunt , which contains a primitive form of life table . Among the study's findings were that one-third of the children in London died before their sixteenth birthday. Mathematicians, such as Edmond Halley , developed the life table as the basis for life insurance mathematics. Richard Price was credited with the first textbook on life contingencies published in 1771, followed later by Augustus De Morgan , On
7740-509: The Black middle-class. Blues is the name given to both a musical form and a music genre, which originated in African-American communities of primarily the Deep South of the United States at the end of the 19th century from their spirituals , work songs , field hollers , shouts and chants and rhymed simple narrative ballads . The African use of pentatonic scales contributed to
7869-685: The COVID-19 pandemic. Members of the World War II generation in Germany came of age following World War I and the German Revolution of 1918–1919 . They faced economic hardships related to the Great Depression and Treaty of Versailles as unemployment rose to nearly 40%. Adolf Hitler then rose to power, and many of this generation joined organizations such as the Hitler Youth . In 1935, Hitler instituted military conscription. During
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#17327720798197998-464: The Caribbean. African-based rhythmic patterns were retained in the United States in large part through "body rhythms" such as stomping, clapping, and patting juba dancing . In the opinion of jazz historian Ernest Borneman , what preceded New Orleans jazz before 1890 was "Afro-Latin music", similar to what was played in the Caribbean at the time. A three-stroke pattern known in Cuban music as tresillo
8127-522: The Cold War and the Space Race. Even in the mid-1980s, around 70% of Soviet industrial output was directed towards the military, one of the factors in its eventual economic collapse . Members of this generation are known as " Great Patriotic War " veterans, such as poet Yuri Levitansky who wrote about the horrors of the war and Vasily Zaitsev , a war hero who would later be detained for two years as
8256-459: The Eighth Army are a magnificent lot, and I have always said the greatest generation of Americans we have ever produced." The term was popularized by the title of a 1998 book by American journalist Tom Brokaw . In the book, Brokaw profiles American members of this generation who came of age during the Great Depression and went on to fight in World War II, as well as those who contributed to
8385-656: The Greatest Generation are the parents of the Silent Generation and Baby Boomers , and they are the children of the Lost Generation . An early usage of the term The Greatest Generation was in 1953 by U.S. Army General James Van Fleet , who had recently retired after his service in World War II and leading the Eighth Army in the Korean War . He spoke to Congress , saying, "The men of
8514-551: The Soviet Union was further decimated by the war. Stalin's scorched earth policy left its western regions in a state of devastation worsened by the advancing German Army. The USSR lost 14% of its pre-war population during WWII, a demographic collapse that would have immense long-term consequences. Mass, forced labor was often used and there were between 10 and 11 million Soviet men returning to help rebuild along with 2 million Soviet dissidents held prisoner in Stalin's Gulags . Then came
8643-665: The Starlight Roof at the famed Waldorf-Astoria Hotel . He entertained audiences with a light elegant musical style which remained popular with audiences for nearly three decades from the 1930s until the late 1950s. Jazz originated in the late-19th to early-20th century. It developed out of many forms of music, including blues , ragtime , European harmony , African rhythmic rituals, spirituals , hymns , marches , vaudeville song, and dance music . It also incorporated interpretations of American and European classical music, entwined with African and slave folk songs and
8772-467: The advent of comic books, which were popular with members of this generation with such characters as Doc Savage , the Shadow , Superman and Batman . Next to jazz , blues , gospel music , and folk music ; swing jazz became immensely popular with members of this generation. The term "Swing Generation" has also been used to describe the cohort due to the popularity of the era's music. The popularity of
8901-467: The basic demographic equation holds true by definition, in practice the recording and counting of events (births, deaths, immigration, emigration) and the enumeration of the total population size are subject to error. So allowance needs to be made for error in the underlying statistics when any accounting of population size or change is made. The figure in this section shows the latest (2004) UN ( United Nations ) WHO projections of world population out to
9030-696: The best source of data on births and deaths. Analyses are conducted after a census to estimate how much over or undercounting took place. These compare the sex ratios from the census data to those estimated from natural values and mortality data. Censuses do more than just count people. They typically collect information about families or households in addition to individual characteristics such as age, sex, marital status, literacy/education, employment status, and occupation, and geographical location. They may also collect data on migration (or place of birth or of previous residence), language, religion, nationality (or ethnicity or race), and citizenship. In countries in which
9159-552: The blues are undocumented, though they can be seen as the secular counterpart of the spirituals. However, as Gerhard Kubik points out, whereas the spirituals are homophonic , rural blues and early jazz "was largely based on concepts of heterophony ". During the early 19th century an increasing number of black musicians learned to play European instruments, particularly the violin, which they used to parody European dance music in their own cakewalk dances. In turn, European American minstrel show performers in blackface popularized
9288-518: The category of standardization , there are two major approaches: direct standardization and indirect standardization. A stable population does not necessarily remain fixed in size. It can be expanding or shrinking. The crude death rate as defined above and applied to a whole population can give a misleading impression. For example, the number of deaths per 1,000 people can be higher in developed nations than in less-developed countries, despite standards of health being better in developed countries. This
9417-473: The contribution of the composer, if there is one, and more on the performer. The jazz performer interprets a tune in individual ways, never playing the same composition twice. Depending on the performer's mood, experience, and interaction with band members or audience members, the performer may change melodies, harmonies, and time signatures. In early Dixieland , a.k.a. New Orleans jazz, performers took turns playing melodies and improvising countermelodies . In
9546-553: The core of the data for any medical institution, such as patient and emergency contact information and patient medical record data. They allow for the identification of a patient and their categorization into categories for the purpose of statistical analysis. Patient demographics include: date of birth , gender , date of death , postal code, ethnicity, blood type , emergency contact information, family doctor, insurance provider data, allergies , major diagnoses and major medical history. Formal demography limits its object of study to
9675-498: The core of the discipline with many other methods borrowed from social or other sciences. Demographic research is conducted in universities, in research institutes, as well as in statistical departments and in several international agencies. Population institutions are part of the CICRED (International Committee for Coordination of Demographic Research) network while most individual scientists engaged in demographic research are members of
9804-555: The development of blue notes in blues and jazz. As Kubik explains: Many of the rural blues of the Deep South are stylistically an extension and merger of basically two broad accompanied song-style traditions in the west central Sudanic belt: W. C. Handy became interested in folk blues of the Deep South while traveling through the Mississippi Delta. In this folk blues form, the singer would improvise freely within
9933-528: The development of demography and to the toolkit of methods and techniques of demographic analysis. Demography is the statistical and mathematical study of the size, composition, and spatial distribution of human populations and how these features change over time. Data are obtained from a census of the population and from registries: records of events like birth , deaths , migrations, marriages, divorces , diseases, and employment . To do this, there needs to be an understanding of how they are calculated and
10062-649: The distribution and abundance of organisms. As it relates to organizations and demography, organizations go through various liabilities to their continued survival. Hospitals, like all other large and complex organizations are impacted in the environment they work. For example, a study was done on the closure of acute care hospitals in Florida between a particular time. The study examined effect size, age, and niche density of these particular hospitals. A population theory says that organizational outcomes are mostly determined by environmental factors . Among several factors of
10191-509: The early 1920s, drawing particular recognition on piano. When male jazz musicians were drafted during World War II, many all-female bands replaced them. The International Sweethearts of Rhythm , which was founded in 1937, was a popular band that became the first all-female integrated band in the U.S. and the first to travel with the USO , touring Europe in 1945. Women were members of the big bands of Woody Herman and Gerald Wilson . Beginning in
10320-480: The education of freed African Americans. Although strict segregation limited employment opportunities for most blacks, many were able to find work in entertainment. Black musicians were able to provide entertainment in dances, minstrel shows , and in vaudeville , during which time many marching bands were formed. Black pianists played in bars, clubs, and brothels, as ragtime developed. Ragtime appeared as sheet music, popularized by African-American musicians such as
10449-593: The emergence of bebop, forms of jazz that are commercially oriented or influenced by popular music have been criticized. According to Bruce Johnson, there has always been a "tension between jazz as a commercial music and an art form". Regarding the Dixieland jazz revival of the 1940s, Black musicians rejected it as being shallow nostalgia entertainment for white audiences. On the other hand, traditional jazz enthusiasts have dismissed bebop, free jazz, and jazz fusion as forms of debasement and betrayal. An alternative view
10578-525: The end of the 1940s, introducing calmer, smoother sounds and long, linear melodic lines. The mid-1950s saw the emergence of hard bop , which introduced influences from rhythm and blues , gospel , and blues to small groups and particularly to saxophone and piano. Modal jazz developed in the late 1950s, using the mode , or musical scale, as the basis of musical structure and improvisation, as did free jazz , which explored playing without regular meter, beat and formal structures. Jazz-rock fusion appeared in
10707-556: The entertainer Ernest Hogan , whose hit songs appeared in 1895. Two years later, Vess Ossman recorded a medley of these songs as a banjo solo known as "Rag Time Medley". Also in 1897, the white composer William Krell published his " Mississippi Rag " as the first written piano instrumental ragtime piece, and Tom Turpin published his "Harlem Rag", the first rag published by an African-American. Classically trained pianist Scott Joplin produced his " Original Rags " in 1898 and, in 1899, had an international hit with " Maple Leaf Rag ",
10836-408: The family. The causes of turnover can be split into two separate factors, one linked with the culture of the organization, and the other relating to all other factors. People who do not fully accept a culture might leave voluntarily. Or, some individuals might leave because they fail to fit in and fail to change within a particular organization. A basic definition of population ecology is a study of
10965-415: The first written music which was rhythmically based on an African motif (1803). From the perspective of African-American music, the "habanera rhythm" (also known as "congo"), "tango-congo", or tango . can be thought of as a combination of tresillo and the backbeat . The habanera was the first of many Cuban music genres which enjoyed periods of popularity in the United States and reinforced and inspired
11094-532: The habanera rhythm and cinquillo , are heard in the ragtime compositions of Joplin and Turpin. Joplin's " Solace " (1909) is generally considered to be in the habanera genre: both of the pianist's hands play in a syncopated fashion, completely abandoning any sense of a march rhythm. Ned Sublette postulates that the tresillo/habanera rhythm "found its way into ragtime and the cakewalk," whilst Roberts suggests that "the habanera influence may have been part of what freed black music from ragtime's European bass". In
11223-400: The impact of Depression and wartime experiences from the early years to middle age. Most of these 'children of the Great Depression' fared unusually well in their adult years". They came out of the hardships of the Great Depression "with an ability to know how to survive and make do and solve problems." This generation faced turmoil with their older baby boomer children upon their maturing in
11352-512: The individuality of the performing jazz musician". A broader definition that encompasses different eras of jazz has been proposed by Travis Jackson: "it is music that includes qualities such as swing, improvising, group interaction, developing an 'individual voice', and being open to different musical possibilities". Krin Gibbard argued that "jazz is a construct" which designates "a number of musics with enough in common to be understood as part of
11481-424: The influences of West African culture. Its composition and style have changed many times throughout the years with each performer's personal interpretation and improvisation, which is also one of the greatest appeals of the genre. By the 18th century, slaves in the New Orleans area gathered socially at a special market, in an area which later became known as Congo Square , famous for its African dances. By 1866,
11610-460: The instruments of jazz: brass, drums, and reeds tuned in the European 12-tone scale. Small bands contained a combination of self-taught and formally educated musicians, many from the funeral procession tradition. These bands traveled in black communities in the deep south. Beginning in 1914, Louisiana Creole and African-American musicians played in vaudeville shows which carried jazz to cities in
11739-578: The late 1950s into the 1990s. Jewish Americans played a significant role in jazz. As jazz spread, it developed to encompass many different cultures, and the work of Jewish composers in Tin Pan Alley helped shape the many different sounds that jazz came to incorporate. Jewish Americans were able to thrive in Jazz because of the probationary whiteness that they were allotted at the time. George Bornstein wrote that African Americans were sympathetic to
11868-455: The late 1960s and early 1970s, combining jazz improvisation with rock music 's rhythms, electric instruments, and highly amplified stage sound. In the early 1980s, a commercial form of jazz fusion called smooth jazz became successful, garnering significant radio airplay. Other styles and genres abound in the 21st century, such as Latin and Afro-Cuban jazz . The origin of the word jazz has resulted in considerable research, and its history
11997-955: The many top players he employed, such as George Brunies , Sharkey Bonano , and future members of the Original Dixieland Jass Band . During the early 1900s, jazz was mostly performed in African-American and mulatto communities due to segregation laws. Storyville brought jazz to a wider audience through tourists who visited the port city of New Orleans. Many jazz musicians from African-American communities were hired to perform in bars and brothels. These included Buddy Bolden and Jelly Roll Morton in addition to those from other communities, such as Lorenzo Tio and Alcide Nunez . Louis Armstrong started his career in Storyville and found success in Chicago. Storyville
12126-418: The measurement of population processes, while the broader field of social demography or population studies also analyses the relationships between economic, social, institutional, cultural, and biological processes influencing a population. Demographic thoughts traced back to antiquity, and were present in many civilisations and cultures, like Ancient Greece , Ancient Rome , China and India . Made up of
12255-697: The music internationally, combining syncopation with European harmonic accompaniment. In the mid-1800s the white New Orleans composer Louis Moreau Gottschalk adapted slave rhythms and melodies from Cuba and other Caribbean islands into piano salon music. New Orleans was the main nexus between the Afro-Caribbean and African American cultures. The Black Codes outlawed drumming by slaves, which meant that African drumming traditions were not preserved in North America, unlike in Cuba, Haiti, and elsewhere in
12384-583: The music of New Orleans with the music of Cuba, Wynton Marsalis observes that tresillo is the New Orleans "clavé", a Spanish word meaning "code" or "key", as in the key to a puzzle, or mystery. Although the pattern is only half a clave , Marsalis makes the point that the single-celled figure is the guide-pattern of New Orleans music. Jelly Roll Morton called the rhythmic figure the Spanish tinge and considered it an essential ingredient of jazz. The abolition of slavery in 1865 led to new opportunities for
12513-413: The nation will become a nation of immigrants. This influx is projected to rise over the next century as new immigrants and their children will account for over half the U.S. population. These demographic shifts could ignite major adjustments in the economy, more specifically, in labor markets. People decide to exit organizations for many reasons, such as, better jobs, dissatisfaction, and concerns within
12642-467: The northeastern United States, a "hot" style of playing ragtime had developed, notably James Reese Europe 's symphonic Clef Club orchestra in New York City, which played a benefit concert at Carnegie Hall in 1912. The Baltimore rag style of Eubie Blake influenced James P. Johnson 's development of stride piano playing, in which the right hand plays the melody, while the left hand provides
12771-618: The northern and western parts of the U.S. Jazz became international in 1914, when the Creole Band with cornettist Freddie Keppard performed the first ever jazz concert outside the United States, at the Pantages Playhouse Theatre in Winnipeg , Canada. In New Orleans, a white bandleader named Papa Jack Laine integrated blacks and whites in his marching band. He was known as "the father of white jazz" because of
12900-458: The original data-collection procedures may prevent accurate evaluation of data quality. The demographic analysis of labor markets can be used to show slow population growth, population aging , and the increased importance of immigration. The U.S. Census Bureau projects that in the next 100 years, the United States will face some dramatic demographic changes. The population is expected to grow more slowly and age more rapidly than ever before and
13029-506: The pandemic, such as Major Lee Wooten, who was treated in hospital for covid and recovered just before his 104th birthday in 2020; he died aged 105. In Britain, this generation came of age, like most of the western world, during a period of economic hardship as a result of the Great Depression . When the war in Europe began, millions of British citizens joined the war effort at home and abroad. Over 6 million members of this generation served in
13158-500: The period 1820–1850. Some of the earliest [Mississippi] Delta settlers came from the vicinity of New Orleans, where drumming was never actively discouraged for very long and homemade drums were used to accompany public dancing until the outbreak of the Civil War. Another influence came from the harmonic style of hymns of the church, which black slaves had learned and incorporated into their own music as spirituals . The origins of
13287-494: The plight of the Jewish American and vice versa. As disenfranchised minorities themselves, Jewish composers of popular music saw themselves as natural allies with African Americans. The Jazz Singer with Al Jolson is one example of how Jewish Americans were able to bring jazz, music that African Americans developed, into popular culture. Benny Goodman was a vital Jewish American to the progression of Jazz. Goodman
13416-528: The population. Demographic analysis estimates are often considered a reliable standard for judging the accuracy of the census information gathered at any time. In the labor force , demographic analysis is used to estimate sizes and flows of populations of workers; in population ecology the focus is on the birth, death, migration and immigration of individuals in a population of living organisms, alternatively, in social human sciences could involve movement of firms and institutional forms. Demographic analysis
13545-459: The post-Civil War period (after 1865), African Americans were able to obtain surplus military bass drums, snare drums and fifes, and an original African-American drum and fife music emerged, featuring tresillo and related syncopated rhythmic figures. This was a drumming tradition that was distinct from its Caribbean counterparts, expressing a uniquely African-American sensibility. "The snare and bass drummers played syncopated cross-rhythms ," observed
13674-676: The pre-jazz era and contributed to the codification of jazz through the publication of some of the first jazz sheet music. The music of New Orleans , Louisiana had a profound effect on the creation of early jazz. In New Orleans, slaves could practice elements of their culture such as voodoo and playing drums. Many early jazz musicians played in the bars and brothels of the red-light district around Basin Street called Storyville . In addition to dance bands, there were marching bands which played at lavish funerals (later called jazz funerals ). The instruments used by marching bands and dance bands became
13803-516: The prefix demo- and the suffix -graphy , the term demography refers to the overall study of population. In ancient Greece, this can be found in the writings of Herodotus , Thucydides , Hippocrates , Epicurus , Protagoras , Polus , Plato and Aristotle . In Rome, writers and philosophers like Cicero , Seneca , Pliny the Elder , Marcus Aurelius , Epictetus , Cato , and Columella also expressed important ideas on this ground. In
13932-566: The questions they answer which are included in these four concepts: population change , standardization of population numbers, the demographic bookkeeping equation, and population composition. There are two types of data collection —direct and indirect—with several methods of each type. Direct data comes from vital statistics registries that track all births and deaths as well as certain changes in legal status such as marriage, divorce, and migration (registration of place of residence). In developed countries with good registration systems (such as
14061-595: The radio also became a major influence in the lives of this generation, as millions tuned in to listen to President Franklin D. Roosevelt 's " fireside chats " and absorbed the news in a way like never before. Over 16 million Americans served in World War II, the majority being members of this generation. 38.8% were volunteers, 61.2% were draftees, the average length of their service was 33 months, and total approximate casualties were 671,278 ( killed and wounded ). American journalist Tom Brokaw and others extol this generation for supporting and fighting World War II. Following
14190-410: The rhythm and bassline. In Ohio and elsewhere in the mid-west the major influence was ragtime, until about 1919. Around 1912, when the four-string banjo and saxophone came in, musicians began to improvise the melody line, but the harmony and rhythm remained unchanged. A contemporary account states that blues could only be heard in jazz in the gut-bucket cabarets, which were generally looked down upon by
14319-417: The same sources of change. When dealing with ethnic groups, however, "net migration" might have to be subdivided into physical migration and ethnic reidentification ( assimilation ). Individuals who change their ethnic self-labels or whose ethnic classification in government statistics changes over time may be thought of as migrating or moving from one population subcategory to another. More generally, while
14448-447: The samples have been drawn in a nationally representative way, inferences can be drawn from these studies about the differences between four distinct generations of British people in terms of their health, education, attitudes, childbearing and employment patterns. Indirect standardization is used when a population is small enough that the number of events (births, deaths, etc.) are also small. In this case, methods must be used to produce
14577-568: The second half of the 1930s or the early years of the 1940s. US members of this generation came of age as early as 1919 and as late as 1945, were children, or were born during the Progressive Era , World War I , and the Roaring Twenties ; a time of economic prosperity with distinctive cultural transformations. Additionally, many of those alive from 1918 through 1920 experienced the deadly Spanish flu pandemic; and, incredibly,
14706-404: The theory, there are four that apply to the hospital closure example: size, age, density of niches in which organizations operate, and density of niches in which organizations are established. Problems in which demographers may be called upon to assist business organizations are when determining the best prospective location in an area of a branch store or service outlet, predicting the demand for
14835-500: The twice-daily ferry between both cities to perform, and the habanera quickly took root in the musically fertile Crescent City. John Storm Roberts states that the musical genre habanera "reached the U.S. twenty years before the first rag was published." For the more than quarter-century in which the cakewalk , ragtime , and proto-jazz were forming and developing, the habanera was a consistent part of African-American popular music. Habaneras were widely available as sheet music and were
14964-575: The use of tresillo-based rhythms in African-American music. New Orleans native Louis Moreau Gottschalk 's piano piece "Ojos Criollos (Danse Cubaine)" (1860) was influenced by the composer's studies in Cuba: the habanera rhythm is clearly heard in the left hand. In Gottschalk's symphonic work "A Night in the Tropics" (1859), the tresillo variant cinquillo appears extensively. The figure was later used by Scott Joplin and other ragtime composers. Comparing
15093-478: The vital registration system may be incomplete, the censuses are also used as a direct source of information about fertility and mortality; for example, the censuses of the People's Republic of China gather information on births and deaths that occurred in the 18 months immediately preceding the census. Indirect methods of collecting data are required in countries and periods where full data are not available, such as
15222-434: The war effort on the home front. Brokaw wrote that these men and women fought not for fame or recognition, but because it was the "right thing to do". This cohort is also referred to as the "G.I. Generation" and the "World War II Generation". Pew Research Center defines this cohort as being born from 1901 to 1927. Strauss and Howe use the birth years 1901–1924. The first half of this generation, born between 1901 and 1912,
15351-480: The war, and there were 384,000 casualties. At home, the Blitz claimed the lives of thousands and destroyed entire British cities. The men and women of this generation continue to be honored in the U.K., particularly on V-E Day . In 2020, British Prime Minister Boris Johnson compared this generation to current generations and indicated his desire for them to show the "same spirit of national endeavour", in relation to
15480-496: The war, nearly 12.5 million members of this generation served in the war and 4.3 million were killed or wounded. By the end of the war, 5 million Germans were dead, including civilians. German cities and towns were devastated by Allied bombing campaigns. 12 million Germans were refugees and many were forced to settle in the Soviet Union. In addition, the Holocaust claimed the lives of millions of German Jews and others. Following
15609-633: The war, the Allies began the denazification and demilitarization of a post-war Germany. Returning German veterans found their country carved up into four zones of occupation; later becoming West Germany and East Germany . In the west, the Marshall Plan resulted in the " Wirtschaftswunder ", an economic boom that caused 185% growth between 1950 and 1963. Surviving members of the German World War II generation would go on to experience
15738-554: The war, this generation produced children at an unprecedented level. Over 76 million babies were born between 1946 and 1964. Subsidized by the G.I. Bill , this generation moved their families into the suburbs and largely promoted a more conservative mindset as the country faced the challenge of the Cold War , as some were again called to service in the Korean War alongside the Silent Generation . The first member of their generation to be elected US president, John F. Kennedy , began
15867-498: The writer Robert Palmer, speculating that "this tradition must have dated back to the latter half of the nineteenth century, and it could have not have developed in the first place if there hadn't been a reservoir of polyrhythmic sophistication in the culture it nurtured." African-American music began incorporating Afro-Cuban rhythmic motifs in the 19th century when the habanera (Cuban contradanza ) gained international popularity. Musicians from Havana and New Orleans would take
15996-533: The year 2150 (red = high, orange = medium, green = low). The UN "medium" projection shows world population reaching an approximate equilibrium at 9 billion by 2075. Working independently, demographers at the International Institute for Applied Systems Analysis in Austria expect world population to peak at 9 billion by 2070. Throughout the 21st century, the average age of the population
16125-500: The year's crop was harvested and several days were set aside for celebration. As late as 1861, a traveler in North Carolina saw dancers dressed in costumes that included horned headdresses and cow tails and heard music provided by a sheepskin-covered "gumbo box", apparently a frame drum; triangles and jawbones furnished the auxiliary percussion. There are quite a few [accounts] from the southeastern states and Louisiana dating from
16254-497: Was documented as early as 1915 in the Chicago Daily Tribune . Its first documented use in a musical context in New Orleans was in a November 14, 1916, Times-Picayune article about "jas bands". In an interview with National Public Radio , musician Eubie Blake offered his recollections of the slang connotations of the term, saying: "When Broadway picked it up, they called it 'J-A-Z-Z'. It wasn't called that. It
16383-433: Was major ... , and I carried this device into my melody as well. The publication of his " Memphis Blues " sheet music in 1912 introduced the 12-bar blues to the world (although Gunther Schuller argues that it is not really a blues, but "more like a cakewalk"). This composition, as well as his later " St. Louis Blues " and others, included the habanera rhythm, and would become jazz standards . Handy's music career began in
16512-651: Was spelled 'J-A-S-S'. That was dirty, and if you knew what it was, you wouldn't say it in front of ladies." The American Dialect Society named it the Word of the 20th Century . Jazz is difficult to define because it encompasses a wide range of music spanning a period of over 100 years, from ragtime to rock -infused fusion . Attempts have been made to define jazz from the perspective of other musical traditions, such as European music history or African music. But critic Joachim-Ernst Berendt argues that its terms of reference and its definition should be broader, defining jazz as
16641-536: Was the leader of a racially integrated band named King of Swing. His jazz concert in the Carnegie Hall in 1938 was the first ever to be played there. The concert was described by Bruce Eder as "the single most important jazz or popular music concert in history". Shep Fields also helped to popularize "Sweet" Jazz music through his appearances and Big band remote broadcasts from such landmark venues as Chicago's Palmer House , Broadway's Paramount Theater and
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