| Dated: | 1965-1966 |
| Instrumentation: | Orchestra of 88 musicians, dispersed among the audience: 3 (+pic),3,3 (+ e flat clarinet, + contrabass clarinet),3 (+ contrabassoon) - 4,4,4,1, 3 percussionists, strings (16,14,12,10,8). All musicans also have woodblocks, whip, maracas and a siren. |
| Timing: | 18' |
| Premiere: | April 3, 1966 during the Royan Festival, performed by the Orchestre Philharmonique de l'ORTF, conducted by Hermann Scherchen. |
| Dedicated to: | |
| Commissioned by: | |
| Published: | Editions Salabert 17351 |