| Dated: | 1971 |
| Instrumentation: | String ensemble: 4,3,2,2,1 or multiples |
| Timing: | 12' |
| Premiere: | August 24, 1971 at the Festival de Luzern in Lucerne (Switzerland), performed by the Festival Ensemble, conducted by Rudolf Baumgartner |
| Dedicated to: | |
| Commissioned by: | |
| Published: | Editions Salabert 17211 |