VARIOUS Avant-Garde Vol. 3 (Very rare and legendary 1971 German Deutsche Grammophon stereo 6-LP box set, compiling an astonishing collection of avant-garde works by some of the most important composers in the field such as Mauricio Kagel (Der Schall), Ligeti (Streichquartett), Karlheinz Stockhausen (Stimmung, Fortsetzung), Luc Ferrari (Societe II and the much celebrated musique concrete piece Presque Rien No. 1) and more. See 'more info'...)