Book excerpt: Revised and expanded, with a new afterword by the author, this is the definitive biography of Duane Allman, one of the most revered guitarists of his generation. Skydog reveals the complete story of the legendary guitarist: his childhood and musical awakening; his struggling first bands; his hard-won mastery of the slide guitar; his emergence as a successful session musician; his creation of the Allman Brothers Band; his tragic death at age 24; and his thriving musical legacy.