“Crimson and Clover” is a song by the American rock band Tommy James and the Shondells, released in 1968. The track features a blend of rock and pop elements, characterized by its distinctive guitar riff and dreamy vocals. It became a major hit, reaching number one on the Billboard Hot 100 chart. The song is notable for its innovative use of studio effects, particularly the swirling sound created by reverb and phasing. Its lyrics express themes of love and longing, contributing to its enduring popularity. “Crimson and Clover” has been covered by various artists, including Joan Jett and the Blackhearts.