NPR: Given that Jimi Hendrix has been dead for more than four decades, the visionary guitarist has remained awfully prolific: He left behind a formidable tape library, full of alternate takes, discarded ideas and collaborations of varying quality, and those materials have been mined in the making of far more albums and compilations than he churned out during his 27 years. That one such collection would produce a chart-topping single in 2013 is a testament to Hendrix's enduring appeal, not to mention technological advancements and the eternal struggle to maximize the commercial clout of a lucrative catalog.
