| Dated: | 1975 |
| Instrumentation: | 11 instruments: flute (+pic), oboe, clarinet (+bass clarinet), bassoon, horn, trumpet, trombone, strings (1,0,1,1,1) |
| Timing: | 14' |
| Premiere: | January 28, 1976 at the Queen Elisabeth Hall in London, performed by the London Sinfonietta, conducted by Michel Tabachnik |
| Dedicated to: | the London Sinfonietta |
| Commissioned by: | Gulbenkian Foundation |
| Published: | Editions Salabert 17251 |
| Recordings available from Vandenburg 0001, Erato 2292-45770-2 and 8573-84254-2 and Salabert SCDP 020. |