Heliodor 2549-009 (LP) Variations III [i.e. I]

Mauricio Kagel: Improvisation ajoutée (1961)
John Cage: Variations I (1958) realization by Gerd Zacher, 1967
Hans Otte: Touches (1965)
Juan Allende-Blin: Sons brisés: in memoriam Lothar Schreyer (1967)

Gerd Zacher, organ.

Recorded: June 1967 in the Luther Kirche, Hamburg, Germany
Re-release of LP Wergo WER 60033. The same recording was released on EP Wergo Taschen Diskothek WER 310
This LP released in 1970¹.

Sources: New Albion Discography, Cornell University Library Catalog¹, Wergo WER 60033 and Paul van Emmerik: Diskographie in "John Cage - Musik-Konzepte Sonderband II"