Quicksilver Messenger Service's 'Happy Trails' is their second album recorded mostly at the Fillmores East and West and released on March 29, 1969 by Capitol

Creedence Clearwater Revival, John Mayall, & The Bluesbreakers, The Who, Jack Bruce, Blind Faith, Quicksilver Messenger Service, Jefferson Airplane, The Byrds, Big Brother & The Holding Company, Deep Purple, Yes, Taste

Prince, Frank Zappa, Eelco Gelling, Jan Akkerman, Freddie King, Roy Buchanan, John Mayer, John Scofield, Kenny Wayne Shepherd, John Cipollina, Philip Sayce, Joe Bonamassa, Issei Noro, Marc Ribot