Bill Graham was the P.T. Barnum of rock & roll, an unparalleled showman who forever revolutionized the symbiotic relationship between artists and audiences. A catalyst behind the rise of the San Francisco psychedelic scene of the late '60s, he almost single-handedly pioneered the business of concert promotion, his fusion of theatricality and professionalism introducing new standards in sound, lighting, and stage design. Famed for mixing acts of various musical and racial backgrounds on his bills, Graham nurtured the careers of superstars and cult favorites alike, his influence...