The Matrix (club)
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The Matrix was a club in San Francisco in the late 1960s. Located at 3138 Fillmore St. The Matrix was opened August 13th, 1965 by Marty Balin so that his band, Jefferson Airplane would have a venue to play, many notable concerts were played there. The Doors, Quicksilver Messenger Service and the Velvet Underground all played gigs there. The club closed in 1972. The Matrix was mentioned briefly in Hunter S. Thompson's book, Fear and Loathing in Las Vegas, during a flashback scene.