Mahalia Jackson sings at a Prayer Pilgrimage for Freedom in May 1957. Paul Schutzer; Time & Live Pictures/Getty Images hide caption

itoggle caption Paul Schutzer; Time & Live Pictures/Getty Images

Gene Kelly's iconic performance in Singin' in the Rain was informed by the rhythms of jazz. MGM Studios/Hulton Archive hide caption

itoggle caption MGM Studios/Hulton Archive