John Wetton (Asia) & Adrian Belew (King Crimson)

Glenn Hughes (Deep Purple)

Geoff Downes (Asia)

Peter Banks

Geoff Downes

Gary Green (Gentle Giant)

Steve Howe (Yes)

Robby Krieger (The Doors)

Adam Wakeman

Billy Sherwood

Tony Kaye

Glenn Hughes (Deep Purple) & Elliot Easton (The Cars)

Adrian Belew (King Crimson)

Garry Green (Gentle Giant) & Robby Krieger (The Doors)

Ummagumma

The Festival Rock Orchestra

Tony Kaye (Yes)

Larry Fast (Nektar)

Tommy Shaw Styx

Larry Fast (Of Nektar)

Malcolm McDowell (A Clockwork Orange)

Rick Wakeman (Yes)

Adrian Belew (King Crimson) & Keith Emerson (ELP)

Larry Fast (Nektar) & Alan White (Yes)

Rick Wakeman (Yes) & Steve Howe (Yes)

Tommy Shaw (Styx) & Steve Lukather (Toto)

Steve Porcaro (Toto)

Bill Bruford Yes