Unquestionably the most influential guitarist to emerge from the late-'70s/early-'80s U.S. hardcore/punk movement was Black Flag's Greg Ginn. Never afraid to incorporate other musical styles into his playing (namely jazz fusion and Black Sabbathy heavy metal), as well as squealing feedback from his amplifier, Ginn's guitar also served as a defining ingredient in the Black Flag sound as he was the only member to remain in the group from its formation until its demise. Influenced equally by the Grateful Dead and the Stooges, Ginn formed Black Flag in 1977, but the group didn't r...