One Less Bell to Answer" is a song by the American pop group The 5th Dimension that was released in April 1970 on their debut album, Portrait. The song was originally written in 1967 by Burt Bacharach and Hal David for Keely Smith, but was rediscovered by the group's producer, Bones Howe, in 1969. Marilyn McCoo sang lead vocals on the single, which is 3:31 long. 🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶 The 5th Dimension performed "One Less Bell to Answer" on The Ed Sullivan Show on February 21, 1971, along with