Some of the most successful were "Charmaine" (1963); "Diane", "I Believe" (1964), "Ramona" and "I Wouldn't Trade You for the World" (1964); "Marie" (written by Irving Berlin) and "In the Chapel in the Moonlight" (1965).
Altri brani - "Marie" (1964), "I Wouldn't Trade You For the World" (1965) e "In the Chapel in the Moonlight" - sarebbero invece stati lanciati dal gruppo che, nel 1965 partecipò anche alle riprese del film "I've Gotta Horse", con Billy Fury.