"The Longest Time" is a doo-wop single by Billy Joel. The song was released as a single in early 1984 as the fourth single off the album An Innocent Man. It reached number fourteen on the Billboard Hot 100 and number one on Billboard's Adult Contemporary chart . Overseas, the song went to number twenty-five on the UK Singles Chart. In "The Fat Guy Strangler", a group of cavemen sing the song a capella, led into by a series of primitive grunts.