Duplicates: A Concerto for Two Pianos and Orchestra is a concerto for two pianos and orchestra by the American composer Mel Powell. The work was commissioned in 1987 by the philanthropist Betty Freeman for the Los Angeles Philharmonic. It was first performed at the Dorothy Chandler Pavilion on January 26, 1990, by the pianists Alan Feinberg and Robert Taub and the Los Angeles Philharmonic under the conductor David Alan Miller. The composition was awarded the 1990 Pulitzer Prize for Music.