John Cage

John Milton Cage Jr. (September 5, 1912 –  August 12, 1992) was an American composer. He was a pioneer of chance music, non-standard use of musical instruments, and electronic music. He is perhaps best known for his 1952 composition 4'33", whose three movements are performed without a single note being played. Though he remains a controversial figure, he is generally regarded as one of the most important composers of his era.
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Noun
1. United States composer of avant-garde music (1912-1992)
(synonym) Cage, John Milton Cage Jr.
(hypernym) composer