Elvis may be rock ‘n' roll's eternal king, but he didn't emerge in a vacuum. The array of artists who inspired him is almost as wide as those who followed in his footsteps. The down-and-dirty blues of Arthur “Big Boy” Crudup, the haunted honky-tonk of Hank Williams and the sweaty, sensual R&B of Big Joe Turner all played a part in the evolution of Elvis' explosive, revolutionary sound.