ISBN-13: 9780819137487 / Angielski / Miękka / 1984 / 120 str.
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.