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

Glenn Hughes (Deep Purple)

Peter Banks

Malcolm McDowell (A Clockwork Orange)

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)

Ummagumma

The Festival Rock Orchestra

Tony Kaye (Yes)

Larry Fast (Nektar)

Steve Porcaro (Toto)

Tommy Shaw Styx

Geoff Downes (Asia)

Geoff Downes

Larry Fast (Of Nektar)

Rick Wakeman (Yes)

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

Larry Fast (Nektar) & Alan White (Yes)

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

Rick Wakeman (Yes) & Steve Howe (Yes)

Tommy Shaw (Styx) & Steve Lukather (Toto)

Bill Bruford Yes