Ensemble de l’Itinéraire from Paris, conducted by Jacques Mercier, during the concert held on 26 September 1981 at the Fryderyk Chopin Academy of Music Concert Hall as part of the 25th Warsaw Autumn International Festival of Contemporary Music.
The ensemble performed in the following lineup: Nell Forger (soprano), Patrice Bocquillon (flute), Jean-Max Dussert (clarinet), Louis Roquin (trumpet), André Cazelet (horn), Christian Marchand (trombone), Ami Flammer (violin), Genevieve Renon McLaughlin (viola), David Simpson (cello), Jean-Pierre Robert (double bass), Michael Levinas (piano), Tristan Murail (organ and electronics).