"John Milton Cage Jr." was an American composer, Music theory/music theorist, writer, and artist. A pioneer of Indeterminacy (music)/indeterminacy in music, electroacoustic music, and Extended technique/non-standard use of musical instruments, Cage was one of the leading figures of the post-war avant-garde. Critics have lauded him as one of the most influential American composers of the 20th century. He was also instrumental in the development of modern dance, mostly through his association with choreographer Merce Cunningham, who was also Cage's romantic partner for most of their lives.If you enjoy these quotes, be sure to check out other famous composers! More John Cage on Wikipedia.