1779-1852 1803-1882 1830-1886 1883-1931 1902-1967 1902-1979 20thcentury aleatorymusic bandmusic billy collins criticism criticismandinterpretationhart criticismandinterpretationrodgers dickinson emerson emily genres gibran hart history historyandcriticism hughes improvisation(music) jacobsen kahlil langston lorenz monologueswithmusic(band) moore mus020000mus046000 music musicals ralphwaldo richard rodgers rolf ryūhō scores sodo styles thomas unitedstates