FRANCE. Ile-de-France region. Paris. In Michel Portal's house. From left to right : French jazz musicians Michel PORTAL (saxophones, clarinets, bandoneon) and Claude BARTHELEMY (guitar). Work session for the concert "Creation Michel Portal / Orchestre National de Jazz (O.N.J.)" they will perform on Friday October 19th in Lille, during the music festival "Métissages". Friday, September 28th 1990.