Richie Havens, Joan Baez, Roger Daltrey, John Entwistle, Keith Moon, Pete Townshend, Joe Cocker, Country Joe McDonald, Barry Melton, Greg Dewey, Mark Kapner, Doug Metzler, Arlo Guthrie, David Crosby, Stephen Stills, Graham Nash, Neil Young, Ric Lee, Leo Lyons, Alvin Lee, Chick Churchill, John Sebastian, Carlos Santana, Gregg Rolie, José Areas, Mike Carabello, Michael Shrieve, David Brown, Sly Stone, Rose Stone, Freddie Stone, Cynthia Robinson, Greg Errico, Larry Graham, Jerry Martini, Jimi Hendrix, Bob Hite, Harvey Mandel, Larry Taylor, Fito De la Parra, Bob Davis, Lilli Georgescu, Marty Balin, Grace Slick, Paul Kantner, Jorma Kaukonen, Jack Casady, Spencer Dryden, Nicky Hopkins, Janis Joplin, Lawrence Ferlinghetti, Jerry Garcia, Bill Graham, Wavy Gravy, Justin Kreutzmann, Michael Lang, Artie Kornfeld, Chip Monck, Swami Satchidananda, Sidney Westerfield, Max Yasgur, Jocko Marcellino