What American composer wrote both "Rhapsody in Blue" and "An American in Paris"
George Gershwin George Jacob Gershwin ( ; September 26, 1898 July 11, 1937) was an American composer and pianist. Gershwin's compositions spanned both popular and classical genres, and his most popular melodies are widely known. Among his best-known works are the orchestral compositions "Rhapsody in Blue" (1924) and "An American in Paris" (1928) as well as the opera "Porgy and Bess" (1935).
Roy Douglas Richard Roy Douglas (12 December 1907 – 23 March 2015), better known as Roy Douglas, was a British composer, pianist and arranger. He worked as musical assistant to Ralph Vaughan Williams, William Walton, and Richard Addinsell, made well-known orchestrations of works such as "Les Sylphides" (based on piano pieces by Chopin) and Addinsell's "Warsaw Concerto", and wrote a quantity of original music.