Some of Jimi Hendrix’s loudest moments can be found on his live recordings. Onstage, the spacey psychedelia crafted in the studio gives way to crushing proto-metal. This approach climaxes on the feedback-drenched version of “The Star-Spangled Banner” unleashed at Woodstock. Hendrix also used concerts as launching pads for experimentation, like the avant-garde funk captured on 1970’s Band of Gypsys, released mere months before his death.