John Milton Cage Jr., American avant-garde classical music composer, student of schoenberg, September 5, 1912 — August 12, 1992. He is best known for his 1952 composition “4’33”, which consists of three movements without any notes. He is a pioneer of probability music (or chance music), extended technique (non-standard use of Musical Instruments), and electronic music. Although he is a controversial figure, he is still widely regarded as one of the most important composers of his time. He is also a mushroom expert.