Circumscribing the Open Universe: Essays on John Cage, Morton Feldman, Christian Wolff, Robert Ashley, Alvin Lucier

Explores the concept of open structure as it has evolved in the music of the American avant-garde throughout the 1960s and 1970s. The works of five composers are examined in detail: John Cage, Morton Feldman, Christian Wolff, Robert Ashley and Alvin Lucier.