On May 5, 1965 'The Warlocks,' who would later be known as 'The Grateful Dead,' played their first show, at Magoo's Pizza Parlor in Menlo Park, California. In this slideshow, check out some of the earliest known photos of the band. Information on these images from the Michael Ochs Archives is sketchy, we think this set of images is from a show later that same year in San Francisco.
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