"I Hear a Symphony" is a 1965 song recorded by The Supremes for the Motown label. Written and produced by Motown's main production team, Holland–Dozier–Holland, the song became their sixth number-one pop hit on the Billboard Hot 100 pop singles chart in the United States for two weeks from November 14, 1965, through November 27, 1965. On the UK singles chart, the single peaked at number thirty-nine.