Carole King,
Rod Stewart ('74/'76),
Carly Simon ('72-'74, '80, '92),
Joe Walsh ('74),
Ron Wood ('75/'76),
George Harrison ('74-'75-'79),
David Bowie ('75),
Steve Winwood ('76, '77,'86),
Sly & the Family Stone ('78),
Laura Nyro, Nested, Pointer Sisters, Havin' A Party,Richard Thompson ('78),
John Lennon ( Double Fantasy '80),
Yoko Ono
Paul Carrack (Night Bird & Blue Viex '95),
Patrick Moraz,
Roxy Music ('80),
Jim Capaldi ('81),
Richard Thompson ('78),
Pink Floyd ('83),
Roger Waters ('84 and live '84-'85),
Brian Ferry ('85, and live during Live Aid, '87,'94),
Liona Boyd, ('86),
Stevie Nicks (Rock a little; '85),
Sting ('87),
Mike & the Mecanics ('87 & '95),
Michael Kamen ('90, Mr Holland Opus '96),
Seal ('95),
Nils Lofgren ('95),
B.B.King ('97).
Alicia Keys, ("Wake Up" '03),David Gilmour ( On An Island '06).
Bryan Ferry ('07).