Compositions   1951: Concerto for Prepared Piano 1952: 4' 33" 1958: Piano Concerto 1960: Cartridge Music 1969: HPSCHD 1972: Bird Cage 1981: Thirty Pieces for Five Orchestras	Foreign Literature 1943: Hesse: The Glass Bead Game     1956: Camus: The Fall   1967: Marquez: 100 Years of Solitude     1984: Kundera: Unbearable Lightness of Being