Jimi Hendrix was one of the greatest guitar players of all time—something that still rings true today. Forty-two years ago, he was tragically found dead at the age of 27. In honor of the late rock star, here's a video of him tearing up the classic "Purple Haze" at Woodstock. His unforgettable performance happened a little more than a year before his untimely demise, and it remains the stuff of legends.