The Cowsills are an American singing group from Newport, Rhode Island, six siblings noted for performing professionally and singing harmonies at an early age, later with their mother. The band was formed in early 1965 by brothers Bill, Bob, and Barry Cowsill; their brother John joined shortly thereafter. Originally Bill and Bob played guitar and Barry played the drums. When John learned to play drums and joined the band, Barry began playing bass. After their initial success, the brothers were... [more on Wikipedia]