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Aleatoricism is the incorporation of chance into the process of creation, especially the creation of art or media. The word derives from the Latin word alea, the rolling of dice. It should not be confused with either improvisation or indeterminacy.
Charles Hartman discusses several methods of automatic generation of poetry in his book The Virtual Muse.
A small group of international artists have formed a group called MAMA or the Movement of Aleatoric Modern Artists, a worldwide collaboration of chance-based artists who promote the principles and techniques of aleatoric methods in the execution of contemporary art in modern times.
The term aleatory music was first coined by Werner Meyer-Eppler in 1955 to describe a course of sound events that is "determined in general but depends on chance in detail". When his article was published in English, the translator mistakenly rendered his German noun Aleatorik as an adjective, and so inadvertently created a new English word, "aleatoric". Pierre Boulez applied the term in this sense to his own pieces to distinguish them from the indeterminate music of John Cage. While Boulez purposefully composed his pieces to allow the performer certain liberties with regard to the sequencing and repetition of parts, Cage often composed through the application of chance operations without allowing the performer liberties. Another prolific composer of aleatory music was Karlheinz Stockhausen.
In film-making, there are several avant-garde examples; one is Allison Knowles' computer poem "House of Dust",
Film scholar Barry Salt directed the 1971 film Six Reels of Film to Be Shown in Any Order, where the projectionist was provided with a customized die to roll to determine the reel order.
- Constrained writing
- Aleatory variable
- Contemporary music
- New Age music
- 20th century classical music
- Sabine Feisst, "Losing Control: Indeterminacy and Improvisation in Music Since 1950", New Music Box (1 March 2002): § "Aleatory—Pierre Boulez".
- Hartman, Charles (1996), The Virtual Muse: Experiments in Computer Poetry, Hanover, NH: Wesleyan University Press, ISBN 0-8195-2239-2 (see especially pp. 54–64.)
- Werner Meyer-Eppler. 1957. "Statistic and Psychologic Problems of Sound", translated by Alexander Goehr, Die Reihe 1 ("Electronic Music", 1957): 55–61; original German edition, 1955, as "Statistische und psychologische Klangprobleme", Die Reihe 1 ("Elektronische Musik", 1955): 22–28; the citation is on pp. 55 and 22, respectively.
- Arthur Jacobs, "Admonitoric Note", The Musical Times 107, no. 1479 (May 1966): 414.
- Fred Karlin and Rayburn Wright, On the Track: A Guide to Contemporary Film Scoring, second edition (New York: Routledge, 2004): 430–36. ISBN 0-415-94135-0 (cloth); ISBN 0-415-94136-9 (pbk).
- Alison Knowles website
- Fred Camper, "SN, a film by Fred Camper", 2002.
- Six Reels of Film to Be Shown in Any Order (1971) at the Internet Movie Database
- Anon., "Six Reels of Film to Be Shown in Any Order (1971)", BFI Film & TV Database.