Wergo Heliodor
2 549 016
| Zyklus | work number 9 | 1959 |
| Christoph Caskel | recorded 12th October 1960 | 11'46" |
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also released on |
| Zyklus | work number 9 | 1959 |
| Max Neuhaus | recorded 11th February 1964 | 10'14" |
|
also released on |
Hör Zu SHZW 903 BL (LP) Wergo 308 (7 inch EP) Alga Marghen 054 (Italy CD) |
| Klavierstück X | work number 4 | 1961 |
| Frederic Rzewski | recorded 22nd December 1964, Tonstudio Ariola, Berlin | 23'00" |
|
also released on |
Hör Zu SHZW 903 BL (LP) Mace S 9091 (LP) |