An on-the-street quiz prompted Warren Haynes to reflect on the players who first made him want to play guitar. Warren Haynes has spent more than four decades developing one of the most distinctive voices in blues-rock guitar. But before he became a fixture of the Allman Brothers Band, Gov’t Mule and the wider jam-band circuit, a handful of guitarists showed him just how far the instrument could go. Hendrix was Haynes’ gateway to a new world of electric guitar music. As for the magic of the Allman Brothers Band, Haynes says an imperfect secret sauce was key to their legacy.