B.B. King's bold, visceral blues made a massive imprint on legions of rock ‘n' roll axe-slingers and vocalists. The clean attack and minor-key R&B lean of Robert Cray's "I Wonder" bespeak a deep grounding in King's realm, and even amid the swampy, psychedelic atmosphere of Jimi Hendrix's "Voodoo Chile", you can sense the influence of B.B.'s soulful, string-bending licks.