Nuit de la poésie at the Gesù Theatre in Montreal, March 27, 1970: L'Infonie, led by Walter Boudreau, performs Bach's Concerto in A Minor. Raoul Duguay is seen playing trumpet; he later sings "L’Ô" accompanied by Ysengourd Knorh. Shot of the audience and the musicians. Partial image. This performance was filmed simultaneously with two cameras, the camera 1 reel is available in shot 73607.