bass J.-F. Jenny-Clark
design [cover] Claude Romain
drums Aldo Romano
engineer Charles Raucher
executive-producer Jean-Louis Ginibre
photography by [photo], coordinator [coordination] Jacques Bisceglia
tracks a1, a3, b1, b3 piano Michel Graillier
producer Jean Georgakarakos
producer Jean-Luc Young
sleeve notes Philippe Carles
soprano saxophone Steve Lacy
written-by Thelonious Monk
Printed By I.D.N.
Recorded in Paris, September 23, 1969