Aleatoric music

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Karlheinz Stockhausen lecturing on Klavierstück XI at Darmstadt, July 1957

Aleatoric music (also aleatory music or chance music; from the Latin word alea, meaning "dice") is music in which some element of the composition is left to chance, and/or some primary element of a composed work's realization is left to the determination of its performer(s). The term is most often associated with procedures in which the chance element involves a relatively limited number of possibilities.

The term became known to European composers through lectures by acoustician Werner Meyer-Eppler at the Darmstadt International Summer Courses for New Music in the beginning of the 1950s. According to his definition, "a process is said to be aleatoric ... if its course is determined in general but depends on chance in detail".[1] Through a confusion of Meyer-Eppler's German terms Aleatorik (noun) and aleatorisch (adjective), his translator created a new English word, "aleatoric" (rather than using the existing English adjective "aleatory"), which quickly became fashionable and has persisted.[2] More recently, the variant "aleatoriality" has been introduced.[3]

History[]

Early precedents[]

Compositions that could be considered a precedent for aleatory composition date back to at least the late 15th century, with the genre of the catholicon, exemplified by the Missa cuiusvis toni of Johannes Ockeghem. A later genre was the Musikalisches Würfelspiel or musical dice game, popular in the late 18th and early 19th century. (One such dice game is attributed to Wolfgang Amadeus Mozart.) These games consisted of a sequence of musical measures, for which each measure had several possible versions and a procedure for selecting the precise sequence based on the throwing of a number of dice.[4]

The French artist Marcel Duchamp composed two pieces between 1913 and 1915 based on chance operations.[clarification needed] One of these, Erratum Musical written with Duchamp's sisters Yvonne and Magdeleine [5] for three voices, was first performed at the Manifestation of Dada on marche 27th 1920 [6] and was eventually published in 1934. Two of his contemporaries, Francis Picabia and Georges Ribemont-Dessaignes, also experimented with chance composition,[clarification needed] these works being performed at a Festival Dada staged at the Salle Gaveau concert hall, Paris, on 26 May 1920.[citation needed] American composer John Cage's Music of Changes (1951) was "the first composition to be largely determined by random procedures",[7] though his indeterminacy is of a different order from Meyer-Eppler's concept. Cage later asked Duchamp: "How is it that you used chance operations when I was just being born?".[8]

Modern usage[]

The earliest significant use of aleatory features is found in many of the compositions of American Charles Ives in the early 20th century. Henry Cowell adopted Ives's ideas during the 1930s, in such works as the Mosaic Quartet (String Quartet No. 3, 1934), which allows the players to arrange the fragments of music in a number of different possible sequences. Cowell also used specially devised notations to introduce variability into the performance of a work, sometimes instructing the performers to improvise a short passage or play ad libitum.[9] Later American composers, such as Alan Hovhaness (beginning with his Lousadzak of 1944) used procedures superficially similar to Cowell's, in which different short patterns with specified pitches and rhythm are assigned to several parts, with instructions that they be performed repeatedly at their own speed without coordination with the rest of the ensemble.[10] Some scholars regard the resultant blur as "hardly aleatory, since exact pitches are carefully controlled and any two performances will be substantially the same"[11] although, according to another writer, this technique is essentially the same as that later used by Witold Lutosławski.[12][unreliable source?] Depending on the vehemence of the technique, Hovhaness's published scores annotate these sections variously, for example as "Free tempo / humming effect"[13] and "Repeat and repeat ad lib, but not together".[14]

In Europe, following the introduction of the expression "aleatory music" by Meyer-Eppler, the French composer Pierre Boulez was largely responsible for popularizing the term.[15]

Other early European examples of aleatory music include Klavierstück XI (1956) by Karlheinz Stockhausen, which features 19 elements to be performed in a sequence to be determined in each case by the performer.[16] A form of limited aleatory was used by Witold Lutosławski (beginning with Jeux Vénitiens in 1960–61),[17] where extensive passages of pitches and rhythms are fully specified, but the rhythmic coordination of parts within the ensemble is subject to an element of chance.

There has been much confusion of the terms aleatory and indeterminate/chance music. One of Cage's pieces, HPSCHD, itself composed using chance procedures, uses music from Mozart's Musikalisches Würfelspiel, referred to above, as well as original music.

Types of indeterminate music[]

Some writers do not make a distinction between aleatory, chance, and indeterminancy in music, and use the terms interchangeably.[9][18][19] From this point of view, indeterminate or chance music can be divided into three groups: (1) the use of random procedures to produce a determinate, fixed score, (2) mobile form, and (3) indeterminate notation, including graphic notation and texts.[9]

The first group includes scores in which the chance element is involved only in the process of composition, so that every parameter is fixed before their performance. In John Cage's Music of Changes (1951), for example, the composer selected duration, tempo, and dynamics by using the I Ching, an ancient Chinese book which prescribes methods for arriving at random numbers.[20] Because this work is absolutely fixed from performance to performance, Cage regarded it as an entirely determinate work made using chance procedures.[21] On the level of detail, Iannis Xenakis used probability theories to define some microscopic aspects of Pithoprakta (1955–56), which is Greek for "actions by means of probability". This work contains four sections, characterized by textural and timbral attributes, such as glissandi and pizzicati. At the macroscopic level, the sections are designed and controlled by the composer while the single components of sound are controlled by mathematical theories.[20][vague]

In the second type of indeterminate music, chance elements involve the performance. Notated events are provided by the composer, but their arrangement is left to the determination of the performer. Karlheinz Stockhausen's Klavierstück XI (1956) presents nineteen events which are composed and notated in a traditional way, but the arrangement of these events is determined by the performer spontaneously during the performance. In Earle Brown's Available forms II (1962), the conductor is asked to decide the order of the events at the very moment of the performance.[22]

The greatest degree of indeterminacy is reached by the third type of indeterminate music, where traditional musical notation is replaced by visual or verbal signs suggesting how a work can be performed, for example in graphic score pieces. Earle Brown's December 1952 (1952) shows lines and rectangles of various lengths and thicknesses that can read as loudness, duration, or pitch. The performer chooses how to read them. Another example is Morton Feldman's Intersection No. 2 (1951) for piano solo, written on coordinate paper. Time units are represented by the squares viewed horizontally, while relative pitch levels of high, middle, and low are indicated by three vertical squares in each row. The performer determines what particular pitches and rhythms to play.[22]

Open form music[]

Open form is a term sometimes used for 'mobile' or 'polyvalent' musical forms, where the order of movements or sections is indeterminate or left up to the performer. Roman Haubenstock-Ramati composed a series of influential "mobiles" such as Interpolation (1958).

However, "open form" in music is also used in the sense defined by the art historian Heinrich Wölfflin[23] to mean a work which is fundamentally incomplete, represents an unfinished activity, or points outside of itself. In this sense, a "mobile form" can be either "open" or "closed". An example of a "dynamic, closed" mobile musical composition is Stockhausen's Zyklus (1959).[24]

Stochastic music[]

Stochastic processes may be used in music to compose a fixed piece or may be produced in performance. Stochastic music was pioneered by Xenakis, who coined the term stochastic music. Specific examples of mathematics, statistics, and physics applied to music composition are the use of the statistical mechanics of gases in Pithoprakta, statistical distribution of points on a plane in Diamorphoses, minimal constraints in Achorripsis, the normal distribution in ST/10 and Atrées, Markov chains in Analogiques, game theory in Duel and Stratégie, group theory in Nomos Alpha (for Siegfried Palm), set theory in Herma and Eonta,[25] and Brownian motion in N'Shima.[citation needed]

Xenakis frequently used computers to produce his scores, such as the ST series including Morsima-Amorsima and Atrées, and founded CEMAMu.[26][page needed]

Film music[]

Examples of extensive aleatoric writing can be found in small passages from John Williams' score for the film Images. Other film composers using this technique are Mark Snow (X-Files: Fight the Future), John Corigliano, and others.[27] Snow used digital samples of acoustic instruments "to merge starkly electronic timbres with acoustically based sounds, an approach developed extensively in his much celebrated music for The X-Files (1993–2002, 2016–18). Over the course of the series, Snow's often ambient music dissolved distinctions between sound design and musical score."[28]

See also[]

References[]

  1. ^ Meyer-Eppler 1957, p. 55.
  2. ^ Jacobs 1966.
  3. ^ Roig-Francolí 2008, p. 340.
  4. ^ Boehmer 1967, p. 9–47.
  5. ^ https://www.toutfait.com/erratum-musical-1913/
  6. ^ https://digitalcollections.nypl.org/items/fa347ec0-3acb-0133-ccc0-00505686a51c
  7. ^ Randel 2002, p. 17.
  8. ^ Lotringer 1998, p. [page needed].
  9. ^ Jump up to: a b c Griffiths 2001.
  10. ^ Farach-Colton 2005.
  11. ^ Rosner & Wolverton 2001.
  12. ^ Fisher 2010.
  13. ^ Hovhaness 1944, p. 3.
  14. ^ Hovhaness 1958, p. 2.
  15. ^ Boulez 1957.
  16. ^ Boehmer 1967, p. 72.
  17. ^ Rae 2001.
  18. ^ Joe & Song 2002, p. 264.
  19. ^ Roig-Francolí 2008, p. 280.
  20. ^ Jump up to: a b Joe & Song 2002, p. 268.
  21. ^ Pritchett 1993, p. 108.
  22. ^ Jump up to: a b Joe & Song 2002, p. 269.
  23. ^ Wölfflin 1915.
  24. ^ Maconie 2005, p. 185.
  25. ^ Chrissochoidis, Houliaras, & Mitsakis 2005.
  26. ^ Xenakis 1971.
  27. ^ Karlin & Wright 2004, pp. 430–436.
  28. ^ Platte 2014.

Sources

  • Boehmer, Konrad. 1967. Zur Theorie der offenen Form in der neuen Musik. Darmstadt: Edition Tonos. (Second printing 1988.)
  • Boulez, Pierre. 1957. "Aléa". Nouvelle Revue française, no. 59 (1 November). Reprinted in Pierre Boulez, Relevés d'apprenti, collected and presented by Paule Thévenin, 41–45. Paris: Éditions du Seuil, 1966. ISBN 2-02-001930-2. English as "Alea" in Pierre Boulez, Notes of an Apprenticeship, collected and presented by Paule Thévenin, translated from the French by Herbert Weinstock, 35–51. New York: Alfred A. Knopf, 1968. New English translation, as "Alea", in Pierre Boulez, Stocktakings from an Apprenticeship, collected and presented by Paule Thévenin, translated from the French by Stephen Walsh, with an introduction by Robert Piencikowski, 26–38. Oxford: Clarendon Press; New York: Oxford University Press, 1991. ISBN 0-19-311210-8.
  • Chrissochoidis, Ilias, Stavros Houliaras, and Christos Mitsakis. 2005."Set theory in Xenakis' EONTA". In International Symposium Iannis Xenakis, edited by Anastasia Georgaki and Makis Solomos, 241–249. Athens: The National and Kapodistrian University.
  • Farach-Colton, Andrew (November 2005). "Hovhaness Concerto for 2 Pianos; (3) Pieces for 2 Pianos". Gramophone. Retrieved June 4, 2015.
  • Fisher, Lynn. 2010. "An Unlikely Musical Pioneer? Early Aleatory Counterpoint". AleaCounterpoint blog site (Accessed 22 June 2010).
  • Griffiths, Paul. 2001. "Aleatory". The New Grove Dictionary of Music and Musicians, second edition, edited by Stanley Sadie and John Tyrrell. London: Macmillan Publishers.
  • Hovhaness, Alan. 1944. Lousadzak, Op. 48 (score). New York: Peer International Corporation.
  • Hovhaness, Alan. 1958. Meditation on Orpheus, Op. 155 (score). New York: C. F. Peters.
  • Jacobs, Arthur. 1966. "Admonitoric Note". The Musical Times 107, no. 1479 (May): 414.
  • Joe, Jeongwon, and S. Hoon Song. 2002. "Roland Barthes' 'Text' and Aleatoric Music: Is the Birth of the Reader the Birth of the Listener?". Muzikologija 2:263–281.
  • Karlin, Fred, and Rayburn Wright. 2004. On the Track: A Guide to Contemporary Film Scoring, second edition. New York: Routledge. ISBN 0-415-94135-0 (cloth); ISBN 0-415-94136-9 (pbk).
  • Lotringer, Sylvère. 1998. "Duchamp Werden". In Crossings: Kunst zum Hören und Sehen: Kunsthalle Wien, 29.5.-13. 9.1998 [exhibition catalogue], edited by Cathrin Pichler, 55-61. Ostfildern bei Stuttgart: Cantz. ISBN 3-89322-443-2.
  • Maconie, Robin. 2005. Other Planets: The Music of Karlheinz Stockhausen. Lanham, Maryland, Toronto, Oxford: Scarecrow Press. ISBN 0-8108-5356-6.
  • Meyer-Eppler, Werner. 1957. "Statistic and Psychologic Problems of Sound", translated by Alexander Goehr. Die Reihe 1 ("Electronic Music"): 55–61. Original German edition, 1955, as "Statistische und psychologische Klangprobleme", Die Reihe 1 ("Elektronische Musik"): 22–28.
  • Platte, Nathan. "Snow, Mark". Grove Music Online. 1 July 2014; Accessed 10 December 2020.
  • Pritchett, James. 1993. The Music of John Cage. Music in the 20th Century. Cambridge, New York, Melbourne: Cambridge University Press. ISBN 0-521-41621-3 (cloth); ISBN 0-521-56544-8 (pbk).
  • Rae, Charles Bodman. 2001. "Lutosławski, Witold (Roman)". The New Grove Dictionary of Music and Musicians, second edition, edited by Stanley Sadie and John Tyrrell. London: Macmillan Publishers.
  • Randel, Don Michael. 2002. The Harvard Concise Dictionary of Music and Musicians. ISBN 0-674-00978-9.
  • Roig-Francolí, Miguel A. 2008. Understanding Post-Tonal Music. Boston: McGraw-Hill. ISBN 0-07-293624-X.
  • Rosner, Arnold, and Vance Wolverton. 2001. "Hovhaness [Hovaness], Alan [Chakmakjian, Alan Hovhaness]". The New Grove Dictionary of Music and Musicians, second edition, edited by Stanley Sadie and John Tyrrell. London: Macmillan Publishers.
  • Wölfflin, Heinrich. 1915. Kunstgeschichtliche Grundbegriffe: das Problem der Stilentwicklung in der neueren Kunst. Munich, F. Bruckmann.
    • Wölfflin, Heinrich. 1932. Principles of Art History: The Problem of the Development of Style in Later Art, translated from the seventh German edition (1929) by Marie D. Hottinger. London: G. Bell and Sons, Ltd. Reprinted, New York: Dover Publications, 1950.
  • Xenakis, Iannis. 1971. Formalized Music: Thought and Mathematics in Composition. Bloomington and London: Indiana University Press. ISBN 978-0-253-32378-1.

Further reading[]

  • Lieberman, David. 2006. "Game Enhanced Music Manuscript." In GRAPHITE '06: Proceedings of the 4th International Conference on Computer Graphics and Interactive Techniques in Australasia and South East Asia, Kuala Lumpur (Malaysia), November 29 – December 2, 2006, edited by Y. T. Lee, Siti Mariyam Shamsuddin, Diego Gutierrez, and Norhaida Mohd Suaib, 245–250. New York: ACM Press. ISBN 1-59593-564-9.
  • Pimmer, Hans. 1997. Würfelkomposition: zeitgenössische Recherche: mit Betrachtungen über die Musik 1799. Munich: Akademischer Verlag. ISBN 3-929115-90-5.
  • Prendergast, Mark J. 2000. The Ambient Century: from Mahler to Trance: The Evolution of Sound in the Electronic Age. London: Bloomsbury. ISBN 0-7475-4213-9.
  • Stone, Susan. 7 February 2005. "The Barrons: Forgotten Pioneers of Electronic Music", NPR Music. (Accessed 23 September 2008)

External links[]

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