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ARP Omni

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The ARP Omni was a polyphonic analog synthesizer manufactured by ARP Instruments, Inc.

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49-411: The Omni featured preset, electronically generated Orchestral ensemble String voices including polyphonic Violin and Viola sounds as well as monophonic Bass and Cello . The instrument also included a monophonic Bass Synthesizer section and a polyphonic Synthesizer section. The Synthesizer section featured a 24 dB/oct Voltage-Controlled Low Pass Filter (LPF); an ADSR envelope generator and

98-581: A song or musical piece is determined by assessing whether varying components are used, such as an accompaniment part or polyphonic melody lines (two or more independent lines). In the Early Middle Ages , the earliest Christian songs, called plainchant (a well-known example is Gregorian chant ), were monophonic. Even into the twenty-first century, songwriters still often write songs that intersperse sections using monophony, heterophony (two singers or instrumentalists doing varied versions of

147-459: A male falsetto singer. Some of these songs are linked to the cult of the grapevine and many date back to the eighth century. The songs traditionally pervaded all areas of everyday life, ranging from work in the fields (the Naduri, which incorporates the sounds of physical effort into the music) to songs to curing of illnesses and to Christmas Carols (Alilo). Byzantine liturgical hymns also incorporated

196-495: A monophonic tune sometime between 1527 and 1529. Many of Luther's hymns were later harmonized for multiple voices by other composers, and were also used in other polyphonic music such as the cantatas of Johann Sebastian Bach . See Voicing (music)#Doubling DeLone more loosely defines monophony as "passages, movements, or sections in which notes sound alone, despite instrumental doubling" even if "such passages may involve several instruments or voices." Indian classical music

245-590: A result, these sections were fully polyphonic , as opposed to subsequent polyphonic synthesizers such as the Sequential Circuits Prophet-5 and Yamaha CS-80 which featured dynamically allocated, limited polyphony of 5- and 8-voices respectively (although these units featured a far more comprehensive and complex synthesis architecture). The three sections of the Omni - Strings , Synthesizer, and Bass - were all simultaneously available and mixable;

294-538: A single melodic line. According to the modern medieval scholar Ardis Butterfield , monophony "is the dominant mode of the European vernacular genres as well as of Latin song ... in polyphonic works, it remains a central compositional principle." The earliest recorded Christian monophony was plainchant or plainsong (of which one well-known style was called Gregorian chant ) a single unaccompanied vocal melody sung by monks . Sung by multiple voices in unison (i.e.

343-600: A single waveform (triangle) Low Frequency Oscillator (LFO) were both routed to control the VCF Cutoff frequency. A Waveform Enhancement switch allowed selection of a square wave voice waveform vs. the default quasi-sawtooth waveform. The ARP Omni had a unique logo that was painted on to the back face of the unit. The String and Synthesizer sections of the 49-note Omni utilized the Mostek MK50240 Top Octave generator IC along with divide-down circuitry; as

392-477: A wide, if uneven, distribution among the peoples of the world. Most polyphonic regions of the world are in sub-Saharan Africa , Europe and Oceania. It is believed that the origins of polyphony in traditional music vastly predate the emergence of polyphony in European professional music. Currently there are two contradictory approaches to the problem of the origins of vocal polyphony: the Cultural Model, and

441-598: Is a type of musical texture consisting of two or more simultaneous lines of independent melody , as opposed to a musical texture with just one voice ( monophony ) or a texture with one dominant melodic voice accompanied by chords ( homophony ). Within the context of the Western musical tradition, the term polyphony is usually used to refer to music of the late Middle Ages and Renaissance . Baroque forms such as fugue , which might be called polyphonic, are usually described instead as contrapuntal . Also, as opposed to

490-451: Is also considered to be monophonic if a group of singers (e.g., a choir ) sings the same melody together at the unison (exactly the same pitch) or with the same melody notes duplicated at the octave (such as when men and women sing together). If an entire melody is played by two or more instruments or sung by a choir with a fixed interval, such as a perfect fifth , it is also said to be monophony (or "monophonic"). The musical texture of

539-567: Is also found in North Macedonia and Bulgaria . Albanian polyphonic singing can be divided into two major stylistic groups as performed by the Tosks and Labs of southern Albania. The drone is performed in two ways: among the Tosks, it is always continuous and sung on the syllable 'e', using staggered breathing; while among the Labs, the drone is sometimes sung as a rhythmic tone, performed to

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588-601: Is common in Svaneti; polyphonic dialogue over a bass background, prevalent in the Kakheti region in Eastern Georgia; and contrasted polyphony with three partially improvised sung parts, characteristic of western Georgia. The Chakrulo song, which is sung at ceremonies and festivals and belongs to the first category, is distinguished by its use of metaphor and its yodel, the krimanchuli and a "cockerel’s crow", performed by

637-580: Is described as polyphonic due to Balkan musicians using a literal translation of the Greek polyphōnos ('many voices'). In terms of Western classical music, it is not strictly polyphonic, due to the drone parts having no melodic role, and can better be described as multipart . The polyphonic singing tradition of Epirus is a form of traditional folk polyphony practiced among Aromanians , Albanians, Greeks, and ethnic Macedonians in southern Albania and northwestern Greece. This type of folk vocal tradition

686-510: Is generally considered to be the oldest extant example of notated polyphony for chant performance, although the notation does not indicate precise pitch levels or durations. However, a two-part antiphon to Saint Boniface recently discovered in the British Library , is thought to have originated in a monastery in north-west Germany and has been dated to the early tenth century. European polyphony rose out of melismatic organum ,

735-574: Is most known for. However, the Synthesizer section was processed through this circuit when a front panel "Chorus Phaser" switch was activated, simultaneously summing the String and Synthesizer section outputs and slowing the Chorus speed. The Omni was very popular in its time, as it was amongst the first available polyphonic electronic keyboard synthesizers. Examples of the capabilities and sounds of

784-420: Is sung in a nasal temperament. Additionally, many paghjella songs contain a picardy third . After paghjella's revival in the 1970s, it mutated. In the 1980s it had moved away from some of its more traditional features as it became much more heavily produced and tailored towards western tastes. There were now four singers, significantly less melisma, it was much more structured, and it exemplified more homophony. To

833-697: The Republic of Georgia is arguably the oldest polyphony in the Christian world. Georgian polyphony is traditionally sung in three parts with strong dissonances, parallel fifths, and a unique tuning system based on perfect fifths. Georgian polyphonic singing has been proclaimed by UNESCO an Intangible Cultural Heritage of Humanity. Popular singing has a highly valued place in Georgian culture. There are three types of polyphony in Georgia: complex polyphony, which

882-657: The Wagogo use counterpoint. The music of African Pygmies (e.g. that of the Aka people ) is typically ostinato and contrapuntal, featuring yodeling . Other Central African peoples tend to sing with parallel lines rather than counterpoint. In Burundi, rural women greet each other with akazehe , a two-part interlocking vocal rhythm. The singing of the San people , like that of the pygmies, features melodic repetition, yodeling, and counterpoint. The singing of neighboring Bantu peoples , like

931-526: The Zulu , is more typically parallel. The peoples of tropical West Africa traditionally use parallel harmonies rather than counterpoint. Monophony In music , monophony is the simplest of musical textures , consisting of a melody (or "tune"), typically sung by a single singer or played by a single instrument player (e.g., a flute player) without accompanying harmony or chords . Many folk songs and traditional songs are monophonic. A melody

980-426: The mass attributable to one composer is Guillaume de Machaut 's Messe de Nostre Dame , dated to 1364, during the pontificate of Pope Urban V . The Second Vatican Council said Gregorian chant should be the focus of liturgical services, without excluding other forms of sacred music, including polyphony. English Protestant west gallery music included polyphonic multi-melodic harmony, including fuguing tunes , by

1029-400: The species terminology of counterpoint, polyphony was generally either "pitch-against-pitch" / "point-against-point" or "sustained-pitch" in one part with melismas of varying lengths in another. In all cases the conception was probably what Margaret Bent (1999) calls "dyadic counterpoint", with each part being written generally against one other part, with all parts modified if needed in

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1078-401: The 11th century the organum had developed a style called "free organum" in which the voices were more independent, evolving into a polyphonic tradition. Mozarabic chant , Byzantine Chant , Armenian chant , Beneventan chant , Ambrosian chant , Gregorian chant and others were various forms of plainsong which were all monophonic. Many of these monophonic chants were written down, and contain

1127-712: The 14th century produced many songs which can be seen as extensions of the Provençal troubador tradition, such as secular monophonic lais and virelais. Jehan de Lescurel (or Jehannot de l'Escurel), a poet and composer from northern French from the Trouvère style also wrote monophonic songs in the style of virelais, ballades, rondeaux and diz entés. Minnesänger were similar to the French style but in Middle High German. A tradition of Lauda , or sacred songs in

1176-602: The 1982 hit "I Melt With You" by the English band Modern English from their album After The Snow . Journey 's keyboardist Jonathan Cain is reported to have used an Omni on the 1981 album Escape in particular on " Don't Stop Believin' ". ARP Instruments introduced an updated version of the Omni as the Omni-2 in 1978. The Omni-2 utilized an all-steel chassis with ARP's orange and black color scheme and an updated Chorus Phaser circuit which ARP claimed to be superior to that of

1225-486: The Evolutionary Model. According to the Cultural Model, the origins of polyphony are connected to the development of human musical culture; polyphony came as the natural development of the primordial monophonic singing; therefore polyphonic traditions are bound to gradually replace monophonic traditions. According to the Evolutionary Model, the origins of polyphonic singing are much deeper, and are connected to

1274-414: The Georgian polyphonic tradition to such an extent that they became a significant expression of it. Chechen and Ingush traditional music can be defined by their tradition of vocal polyphony. Chechen and Ingush polyphony is based on a drone and is mostly three-part, unlike most other north Caucasian traditions' two-part polyphony. The middle part carries the main melody accompanied by a double drone, holding

1323-669: The Omni can be heard in recordings such as "Good Times Roll", " Moving in Stereo " and "All Mixed Up" from the American Pop/New Wave band The Cars ' eponymous debut album. Cars' keyboardist Greg Hawkes stated in a 1979 Keyboard magazine interview that all keyboard sounds heard on "Moving In Stereo" were produced by the ARP Omni. An example of the Waveform Enhancement mode can be heard as the lead line in

1372-399: The String and Synthesizer sections featured separate audio outputs on the rear panel of the unit which allowed separate amplification and signal processing of these sections for stereo effects. The Omni was single-oscillator in nature; normally, the String section alone was processed through the on board, patented ARP 3-voice Chorus Phaser circuit, producing the lush, moving sound the instrument

1421-546: The United States and even in places such as the United Kingdom, Germany, Poland, and Australia, among others. Polyphonic singing is traditional folk singing of this part of southern Europe. It is also called ancient , archaic or old-style singing. Incipient polyphony (previously primitive polyphony) includes antiphony and call and response , drones , and parallel intervals . Balkan drone music

1470-496: The audibility of the words. Instruments, as well as certain modes, were actually forbidden in the church because of their association with secular music and pagan rites. After banishing polyphony from the Liturgy in 1322, Pope John XXII warned against the unbecoming elements of this musical innovation in his 1324 bull Docta Sanctorum Patrum . In contrast Pope Clement VI indulged in it. The oldest extant polyphonic setting of

1519-711: The earlier stages of human evolution; polyphony was an important part of a defence system of the hominids, and traditions of polyphony are gradually disappearing all over the world. Although the exact origins of polyphony in the Western church traditions are unknown, the treatises Musica enchiriadis and Scolica enchiriadis , both dating from c . 900, are usually considered the oldest extant written examples of polyphony. These treatises provided examples of two-voice note-against-note embellishments of chants using parallel octaves, fifths, and fourths. Rather than being fixed works, they indicated ways of improvising polyphony during performance. The Winchester Troper , from c . 1000,

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1568-477: The earliest music notation to develop after the loss of the ancient Greek system . For example, Dodecachordon was published by the Swiss Renaissance composer Heinrich Glarean (also Glareanus) and included plainsong or Gregorian chant and monophony. The earliest manuscripts which contain plainsong were written in neumes , a primitive system which recorded only the outline of the melody, and it

1617-502: The earliest harmonization of the chant. During the 12th century, composers such as Léonin and Pérotin developed the organum that had been introduced centuries earlier, and also added a third and fourth voice to the now homophonic chant. In the 13th century, the chant-based tenor was becoming altered, fragmented, and hidden beneath secular tunes, obscuring the sacred texts as composers continued to develop polyphonic techniques. The lyrics of love poems might be sung above sacred texts in

1666-446: The end. This point-against-point conception is opposed to "successive composition", where voices were written in an order with each new voice fitting into the whole so far constructed, which was previously assumed. The term polyphony is also sometimes used more broadly, to describe any musical texture that is not monophonic. Such a perspective considers homophony as a sub-type of polyphony. Traditional (non-professional) polyphony has

1715-548: The form of a trope , or the sacred text might be placed within a familiar secular melody. The oldest surviving piece of six-part music is the English rota Sumer is icumen in ( c.  1240 ). European polyphony rose prior to, and during the period of the Western Schism . Avignon , the seat of popes and then antipopes , was a vigorous center of secular music-making, much of which influenced sacred polyphony. The notion of secular and sacred music merging in

1764-692: The form of bamboo panpipe ensembles. Europeans were surprised to find drone-based and dissonant polyphonic singing in Polynesia. Polynesian traditions were then influenced by Western choral church music, which brought counterpoint into Polynesian musical practice. Numerous Sub-Saharan African music traditions host polyphonic singing, typically moving in parallel motion . While the Maasai people traditionally sing with drone polyphony, other East African groups use more elaborate techniques. The Dorze people , for example, sing with as many as six parts, and

1813-400: The interval of a fifth around the melody. Intervals and chords are often dissonances (sevenths, seconds, fourths), and traditional Chechen and Ingush songs use sharper dissonances than other North Caucasian traditions. The specific cadence of a final, dissonant three-part chord, consisting of fourth and the second on top (c-f-g), is almost unique. (Only in western Georgia do a few songs finish on

1862-411: The iso-polyphonic singing and is related to the ison of Byzantine church music, where the drone group accompanies the song. The French island of Corsica has a unique style of music called Paghjella that is known for its polyphony. Traditionally, Paghjella contains a staggered entrance and continues with the three singers carrying independent melodies. This music tends to contain much melisma and

1911-401: The mid-18th century. This tradition passed with emigrants to North America, where it was proliferated in tunebooks, including shape-note books like The Southern Harmony and The Sacred Harp . While this style of singing has largely disappeared from British and North American sacred music, it survived in the rural Southern United States , until it again began to grow a following throughout

1960-587: The original Omni. Additionally, the Omni-2's Bass voice utilized a single oscillator waveform circuit coupled with a preset 2-pole, Low Pass Filter and preset Attack Decay Release (ADR) envelope generator. A Staccato switch controlled the Bass section's envelope contour Decay time vs. the original Omni Bass voice ADSR assignment via its Synthesizer section. Further, the Omni-2 Bass section had its own audio output on

2009-466: The papal court also offended some medieval ears. It gave church music more of a jocular performance quality supplanting the solemnity of worship they were accustomed to. The use of and attitude toward polyphony varied widely in the Avignon court from the beginning to the end of its religious importance in the fourteenth century. Harmony was considered frivolous, impious, lascivious, and an obstruction to

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2058-563: The people of Corsica, the polyphony of paghjella represented freedom; it had been a source of cultural pride in Corsica and many felt that this movement away from the polyphonic style meant a movement away from paghjella's cultural ties. This resulted in a transition in the 1990s. Paghjella again had a strong polyphonic style and a less structured meter. Cantu a tenore is a traditional style of polyphonic singing in Sardinia . Polyphony in

2107-580: The rear panel in addition to the Strings and Synthesizer outputs; separate amplification of these three distinct outputs was referred to in ARP literature at the time as "Tri-phonic". The Omni-2 also featured selectable Single- or Multiple-Trigger keyboard control of envelope contours and re-branded the original Waveform Enhancement panel control switch as "Hollow Waveform". Polyphonic Polyphony ( / p ə ˈ l ɪ f ə n i / pə- LIF -ə-nee )

2156-524: The same dissonant c-f-g chord.) Parts of Oceania maintain rich polyphonic traditions. The peoples of New Guinea Highlands including the Moni , Dani , and Yali use vocal polyphony, as do the people of Manus Island . Many of these styles are drone -based or feature close, secondal harmonies dissonant to western ears. Guadalcanal and the Solomon Islands are host to instrumental polyphony, in

2205-400: The same melody together), polyphony (two or more singers or instrumentalists playing independent melodic lines at the same time), homophony (a melody accompanied by chords), or monody (a single melodic line with instrumental accompaniment) elements throughout the melody to create different atmospheres and styles. Monophony may not have underlying rhythmic textures, and must consist of only

2254-467: The same pitch and rhythm), this music is still considered monophonic. Plainsong was the first and foremost musical style of Italy , Ireland, Spain, and France. In the early 9th century, the organum tradition developed by adding voices in parallel to plainchant melodies. The earliest organum merely augmented the texture of the melody by adding a second voice in parallel octaves or parallel fifths , which could still be considered monophonic; however, by

2303-619: The style of Troubador songs, was popularized in the 13th and 14th centuries by Geisslerlieder , or Flagellant songs. These monophonic Laude spirituale songs were used in the 13th and 17th century by flagellants , as recorded in the medieval chronicle Chronicon Hugonis sacerdotis de Rutelinga (1349). Monophony was the first type of texture in the Lutheran Church . A well-known example is Martin Luther's hymn "Ein feste Burg ist unser Gott" (" A Mighty Fortress Is Our God "), written as

2352-468: The text of the song. It can be differentiated between two-, three- and four-voice polyphony. In Aromanian music , polyphony is common, and polyphonic music follows a set of common rules. The phenomenon of Albanian folk iso-polyphony ( Albanian iso-polyphony ) has been proclaimed by UNESCO a " Masterpiece of the Oral and Intangible Heritage of Humanity ". The term iso refers to the drone, which accompanies

2401-476: Was not until the 11th century that Guido d'Arezzo invented a more modern musical notation system that the exact notes of the melodies were preserved. Most troubadour songs were monophonic. Troubadour songs were written from 1100–1350 and they were usually poems about chivalry or courtly love with the words set to a melody. Aristocratic troubadours and trouvères typically played in courtly performances for kings, queens, and countesses. Poets and composers in

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