Watch Hendrix Play Fiery 'Purple Haze' in Clip From New Doc

The Jimi Hendrix Experience’s July 4th, 1970, show at the Atlanta International Pop Festival wasn’t just another gig. Part of the final run of concerts Hendrix would ever perform stateside, it would turn out to be the largest U.S. show of his career, with an estimated attendance of 300,000. (The iconic guitarist would pass…