| Dated: | 1962 |
| Instrumentation: | Ensemble of ten musicians: clarinet, bass-clarinet, 2 horns, harp, percussion and strings (1,1,1,1,0). |
| Timing: | 12' |
| Premiere: | May 1962 at IBM, Place Vendôme in Paris. Performance by Ensemble Instrumental de Musique Contemporaine , conducted by Konstantin Simonovitch |
| Dedicated to: | |
| Commissioned by: | |
| Published: | Boosey & Hawkes Music Publishers |
| Alternative title: ST 10-1,080262. |