Dimitri Tiomkin with painting, “Harlem Jazz Portrait” by John Decker in background, J. C. Milligan (photographer), Los Angeles. Hollywood caricaturist and artist John Decker's six-by-eight-foot impressionistic painting depicts the evolution of jazz. Tiomkin hung the painting behind his piano for inspiration prior to his European tour, which included the premiere performance of Gershwin’s Concerto in F, in Paris. Image number: DT16 (8-inch x 10-inch publicity photograph).