He enjoyed pop success in 1967 when Let the Heartaches Begin reached No. 1 in the UK, and in Australia where his duet with Kathi McDonald You've Lost That Lovin' Feelin' reached No. 2 in 1980.
Han nød pop-succes i Storbritannien, hvor Let the Heartaches Begin nåede førstepladsen i 1967, og i Australien, hvor hans duet med Kathi McDonald "You 've Lost that Lovin' Feelin'" blev nummer to i 1980.