FRANCE. Ile-de-France region. Seine-Saint-Denis departement. Tremblay-les-Gonesse. Salle Langevin, boulevard Lénine. "Banlieues Bleues" festival, "4 semaines de Jazz en 93 (Seine-Saint-Denis)", 5th edition. From left to right : French jazz musicians Paco SERY (drums, percussions) and François CORNELOUP (saxophones), visiting. Backstage before entering the stage for the concert at 8:30 pm. MICHEL PORTAL / BERNARD LUBAT. Saturday, February 27th 1988.