Assertion: music | /r/UsedFor | concert
Facets:
value: by the american composer
type: OTHER
value: among notable aleatory works
type: OTHER
value: by karlheinz stockhausen of germany
type: LOCATION
Source sentences:
text: Among notable aleatory works are Music of Changes (1951) for piano and Concert for Piano and Orchestra (1958), by the American composer John Cage, and Klavierstück XI (1956; Keyboard Piece XI), by Karlheinz Stockhausen of Germany.