composition made up of steps freely improvised in the course of the dance; or, in a more specialized sense, of choreographed items selected at random, sometimes by a computer. The Suite by Chance (1952), by Merce Cunningham, was the first composition by random choreography.
ALEATORY DANCE
Meaning of ALEATORY DANCE in English
Britannica English vocabulary. Английский словарь Британика. 2012