Wergo Taschen Diskothek WER 310 (7" EP) Title unknown

John Cage: Variations I (1958) version for organ

Gerd Zacher, organ

This is the same recording as on LP Wergo WER 60033 and LP Heliodor 2549 009
EP released after 1967

Source: Paul van Emmerik: Diskographie in "John Cage - Musik-Konzepte Sonderband II"