FRANCE. Nord-Pas-de-Calais region. Nord department. Lille. Opera, 2 rue des Bons Enfants. In the background, from left to right : French jazz musicians FranÁois RAULIN (piano), Bruno CHEVILLON (double bass) and Louis SCLAVIS (clarinets, saxophones). In the foreground, dancers. Rehearsal of the show "Face Nord" with choreographer Mathilde MONNIER and LOUIS SCLAVIS QUARTET before the premiere on Monday, April 22nd. Saturday, April 20th 1991.