Medicine Head Roger Chapman Mick Ronson Ian Hunter Steve Harley Keith Moon Petula Clark David Cassidy Brian May Roger Taylor Steve Gibbons The Osmonds Steve Harley & Cockney Rebel Peter Noone Edmar Castaneda Thrive Melissa Manchester David Essex The Staple Sisters Mercury Stephen Bishop Steve Macdonald Joe Perry May Helen Reddy Bobby Sherman Que Andy & David Williams The Cowsills Dory Previn John Waite Dionne Warwick Climax Slash'S Snake Pit Lou Gramm Big Mama Thornton Klaatu Burt Bacharach Georgia Satellites Suzi Quatro Pat Travers J. J. Cale The Carpenters Bobby Bazini Juice Newton Barry Manilow Chris Rea The Dead South Joe Cocker