Die freie Musik.
Subtitle: Neuer Weg zu neuer Musik.  Kleine Einführung.
Publisher: Th. Windisch; Frech
Published: 1968
Place of publication: Stuttgart; Auslieferung: Stuttgart-Botnang
Language: ger
Number of pages: 32
Subjects: Music -- 20th century -- History and criticism.; Music -- Philosophy and aesthetics.