George Gershwin- (September 26, 1898 – July 11, 1937) was an American composer and pianist.among his best known works are the orchestra compositions rhapsody in blue (1924) and an american in Paris (1928), as well as the Oprah porgy and bress (1935).
Duke Ellington- was an american pianist, composer and bandleader of a jazz orchestra. His career spanded over 50 years leading his orchestra from 1923 till death. He was considered one of the greatest figures in the history of jazz.