Recorded at Foyer Montorgueil, Paris, 4 February 1972. Acoustic Bass – Dider Levallet Alto Saxophone – Philippe Maté Bass Clarinet, Organ – Jef Gilson (tracks: B) Composed By – Jef Gilson Cor Anglais, Flute, Percussion – Bruno Di Gioia Drums – Jean-Claude Pourtier Electric Piano – Pierre Moret (tracks: B) Electric Piano, Keyboards [Ondioline] – Jef Gilson (tracks: A) Flute, Drums – Maurice Bouhana Organ – Pierre Moret (tracks: A) Percussion – Elie Dos Reis Photography By – Jean-Jacques Pussiau