Arthur Crudup may well have been Elvis Presley's favorite bluesman. The swivel-hipped rock god recorded no less than three of "Big Boy's" Victor classics during his seminal rockabilly heyday: "That's All Right Mama" (Elvis' Sun debut in 1954), "So Glad You're Mine," and "My Baby Left Me." Often lost in all the hubbub surrounding Presley's classic covers are Crudup's own contributions to the blues lexicon. He didn't sound much like anyone else, and that makes him an innovator, albeit a rather rudimentary guitarist (he didn't even pick up the instrument until he was 30 years old...