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1. Dependent on chance, luck, or an uncertain outcome: an aleatory contract between an oil prospector and a landowner.
2. Of or characterized by gambling: aleatory contests.
3. also a·le·a·to·ric (ā′lē-ə-tôr′ĭk) Music Using or consisting of sounds to be chosen by the performer or left to chance; indeterminate: An object placed inside the piano added an aleatory element to the piece.

[Latin āleātōrius, from āleātor, gambler, from ālea, game of chance, die.]


[ˌeɪlɪəˈtɒrɪk] aleatory [ˈeɪlɪətərɪ] ADJaleatorio
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Unlike the regular and predictable behavior we have come to expect from industrial machines, their motion felt aleatoric and contingent--a subtle but unnerving installation that morphed over the course of a viewer's visit.
10) Although relevant to fragmentary writing at large, Burroughs's "cut-up" technique-with its greater reliance on the aleatoric and smaller, more fragmented components-is quite distinct from the method employed by Eaves.
Dessau, believing that a progressive political philosophy should be reflected by progressive music, frequently composed experimental music that often utilized a freely atonal language, serialism, or aleatoric elements.
Classical Krenek Korzhev/English Symphony Orchestra IN his long life Ernst Krenek (1900-1991) followed almost every compositional trend: neo-classicism, jazz, atonal, 12-tone, modal, electronic and aleatoric (formal composition with elements of chance).
The APMT-I climate module accounts for aleatoric and epistemic uncertainties in science, models, valuation, and scenarios along each step of the emissions-to-impact pathway based on the current literature.
It mainly focuses on the epistemic uncertainty, but it is also valid for aleatoric uncertainty.
Yanking Your Audience: An Analysis of the Use of Metatheatrical, Aleatoric, and Recursive Devices in Daniel MacIvor's Plays" np.
the increasing trend of aleatoric music, where the composer leaves some
Specialists can see a huge difference between aleatoric music by John Cage and serial music by Pierre Boulez, but most people, even educated people, cannot.
9% return), the results indicated that the matter of electronic music in schools was quickly dismissed as experimental as it did not occupy "an established place in the curriculum of schools, and there was no evidence returned in the survey of developed and systematized courses in this field" (22) Regardless of a number of contemporary works during the late 1960s and 1970s such as those of two major Australian composers Barry Conyngham's (23) (1944-) Through Clouds (1974) or Peter Sculthorpe's (24) (1929-) Sun Music I (1965), aleatoric music and electronic music were at their infancy in Australia.
In an interview with the pianist and writer Charles Rosen, Carter explains his view on the insufficiency of aleatoric music, "that the idea of having uncoordinated, separate things destroyed all sense of drama.
Listening to Because I'm Worth It can feel simultaneously as aleatoric and full of strange coincidences as standing at a busy street corner and soaking everything in.