Duane Allman went from musical unknown to one of rock's most revered guitar virtuosos, only to die a legend, all in about 24 months. He barely had time to establish his legacy, much less his name. The bulk of his reputation and legacy rests, understandably, with the Allman Brothers Band -- two finished studio albums (1969's The Allman Brothers Band and 1970's Idlewild South, a live album (1971's landmark At Fillmore East), and a posthumously released studio/live album (1972's Eat a Peach) -- along with lots of shows with them (some of which, off radio, later surfaced on bootl...