Modern classical music is music written in the 20th century and beyond. Although much of it draws heavily on earlier forms, modern composers also experimented with rejection of long-held ideas; notably, Arnold Schoenberg questioned the traditional notions of harmony with his twelve-tone system[?], and John Cage questioned the very definition of music with his use of chance and found sounds.
... 25, 1929 in Los Angeles to Charles and Elizabeth McReynolds. In 1951 he joined the Socialist Party of America (SPA) and in 1953 he graduated from UCLA with a degree in ...