| Dated: | 1986 |
| Instrumentation: | amplified solo harpsichord and instrumental ensemble: 1 (+picc), 1, 1, 1 - 1, 1, 1, 0, strings (1, 1, 1, 1, 1) |
| Timing: | 14' |
| Premiere: | July 4, 1986 in Amsterdam, The Netherlands by Elisabeth Chojnacka and the Xenakis Ensemble, dir. Huub Kerstens |
| Dedicated to: | Ad van 't Veer |
| Commissioned by: | Nieuwe Muziek Zeeland Foundation in Middelburg, the Netherlands |
| Published: | Editions Salabert 18386 |
| Recording avialable at Erato 2292-45030-2 and 8573-84254-2 and Salabert SCDP 020. |