As a founding member and lead guitarist for Quicksilver Messenger Service, John Cipollina helped shape the psychedelic sound of San Francisco in the 1960s. Most musicians on the scene were folkies who eventually turned acid rock, but Cipollina and fellow guitarist Gary Duncan were hard rockers when they formed Quicksilver Messenger Service in the mid-'60s. The band's self-titled 1968 debut brought them some attention, but it was the live, louder, and looser follow-up that made Cipollina a guitar legend. Guitarists would study 1969's Happy Trails for years to come. Cipollina al...