Arthur Terence Galt MacDermot (born December 18, 1928) is a Canadian–American composer, pianist and writer of musical theatre. He won a Grammy Award for the song "African Waltz" in 1960. His most successful musicals have been Hair (1967; its cast album also won a Grammy) and Two Gentlemen of Verona (1971). MacDermot has also written music for film soundtracks, jazz and funk albums, and classical music, and his music has been sampled in hit hip-hop songs and albums. He is best known for two of his songs (Aquarius-Let the Sunshine In/The Hair song) which were number one in the charts in 1969.