From a guitarist's perspective, the 1970 Woodstock film, which documents the highs and lows of the August 1969 Woodstock Festival, has several highlights. There's Jimi Hendrix's immortal take on "The Star-Spangled Banner"; a lengthy, mind-blowing performance by newcomers Santana; and Pete Townshend's high-flying Gibson SG acrobatics with The Who, to name just a few.