track listing personnel dionne warwick - vocals barry gibb - vocals , guitar , strings and horns arrangement tim renwick - guitar richard tee - piano george bitzer - piano , synthesizer albhy galuten - piano , synthesizer , strings and horns arrangement george perry - bass steve gadd - drums joe lala - percussion gary brown - saxophone peter graves , brett murphey , whit sidener , dan bonsanti , neal bonsanti , ken faulk - the boneroo horns george terry - guitar on '' heartbreaker '' dennis bryon - percussion daniel ben zebulon - percussion anita lopez - percussion karl richardson , dale peterson , neal kent , sam taylor-porter - engineer andy holfman , nicky kalliongis - mediasound the heartbreaker demos the heartbreaker demos is a demo version of the album by barry gibb .