For 15 instrumentalists.
For flute(s), oboe (also cor anglais), clarinet in B flat (also bass clarinet in B flat), bassoon (also contrabassoon), trumpet, horn, trombone, tuba, keyboard synthesiser or piano (also celesta), percussion, 2 violins, viola, cello and double bass.
First performance 20 June 1989 by the ensemble 2e2m at the Centre Georges Pompidou (Paris, France).
Commissioned by the Ministry of Culture (France).