Nuit de la poésie at the Gesù Theatre in Montreal, March 27, 1970: The L'Infonie orchestra, conducted by Walter Boudreau, performs Bach's Concerto in A Minor. Raoul Duguay can be seen playing the trumpet and then singing "L'Ô" accompanied by Ysengourd Knorh. Shot of the crowd and musicians. Partial image. This performance was filmed simultaneously by two cameras. The content from camera 2 is available in stock footage 73654.