[Avant-Garde] Group of Unusual Avant-Garde ScoresCollection of 18 editions of avant garde compositions from the 1950's1960's, including pieces by John Cage, Karlheinz Stockhausen, Morton Feldman, Maurico Kagel, and others. Most of the scores have unusual pictorial or graphic notation, for example scores designed to be read right side up and then upside down (Komorous' Olympia) or graphical scores which can be "read" in an order chosen by the performer (Kasemet's Timepiece.) Some display enormous