| Dated: | 1976 |
| Instrumentation: | Amplified harpsichord solo |
| Timing: | 15' |
| Premiere: | May 5, 1976 at the Westdeutscher Rundfunk in Cologne, Germany performed by Elisabeth Chojnacka |
| Dedicated to: | Elisabeth Chojnacka |
| Commissioned by: | Musik der Zeit of the Cologne Broadcasting Station WDR. |
| Published: | Editions Salabert 17277 |
| Recordings avialable at Erato 2292-45030-2 and 8573-84254-2 and Finlandia FACD357 |