<Li> "Have You Heard?" - Pop Chart #18 (1963) </Li> <Li> "Why Don't You Believe Me" - Pop Chart #37 (1963) </Li> <Li> "(It's No) Sin" - Pop Chart #74 (1964) </Li> <Li> "Check Yourself" - Pop Chart #97 (1970) </Li>

Who sang lead on the duprees you belong to me