FRANCE. Ile-de-France region. Yvelines departement. Sartrouville. Théâtre Gérard-Philipe, 96 rue Louise Michel. From left to right : French jazz musicians Bernard LUBAT (piano, accordion, drums, percussions...) and Jean-François JENNY-CLARK (double bass). Rehearsal and soundcheck for the evening concert. MICHEL PORTAL UNIT. Thursday, February 5th 1981.