RENÉ MAGRITTE (1898-1967) MARIE TROMBONE CHAPEAU BUSE. Sheet music cover. 1936. 13 3/4x10 1/2 inches, 35x26 3/4 cm. [Editions Magritte, Brussels.] Condition A. This is the cover for a musical composition by René Magritte's brother Paul, set to the first published poem by Belgian Surrealist poet, Paul Colinet. René's wife, Georgette Magritte, was the model for the nude portait bust; she later engaged in a brief affair with Colinet while René was traveling. Magritte p. 56-7.