“Leader of the Pack” is a popular song by the American girl group The Shangri-Las, released in 1964. The song tells the story of a young girl who falls in love with a motorcycle gang leader, highlighting themes of love, loss, and rebellion. Its dramatic narrative and catchy melody contributed to its success, making it a classic of the 1960s. The song is notable for its use of sound effects, including motorcycle revs and a spoken-word introduction. It reached the top of the charts in several countries and has been covered by various artists, solidifying its place in pop culture history.