1779-1852 1803-1882 1830-1886 1883-1931 1895-1943 1902-1967 20thcentury avant-garde(music) bandmusic billy cage chance chanceinliterature collins criticismandinterpretationpousseur dickinson electronicmusic emerson emily gibran hart henri historyandcriticism hughes improvisation(music) jacobsen john kahlil langston lorenz monologueswithmusic(band) moore music ralphwaldo rolf ryūhō scores serialism(music) socialaspects socialaspectsofmusic sodo subculture thomas