Credits

Billy "The Kid" Emerson: Organ
Sonny Boy Williamson: Credit Not Specified
Sonny Boy Williamson: Harmonica, Vocals
Buddy Guy: Guitar
Otis Spann: Piano
Willie Dixon: Bass, Producer, Liner Notes, Vocals
Lafayette Leake: Organ, Piano
Luther Tucker: Guitar
Robert Lockwood, Jr.: Guitar
Odie Payne: Drums
Fred Below: Drums
Erick Labson: Digital Remastering
Paul Hamilton Williams: Liner Notes
Matt Murphy: Guitar
Vartan : Reissue Art Director
Andy McKaie: Reissue Producer
Don Bronstein: Original Cover Artwork
Marshall Chess: Original Album Producer
Mike Fink: Reissue Design
Beth Stempel: Reissue Production Coordination
Al Duncan: Drums
Jack Meyers: Bass
Mark Humphrey: Liner Notes
Phil Chess: Producer
Leonard Chess: Producer
Clifton James: Drums
Milton Rector: Bass, Electric Bass
Donald Hankins: Baritone Saxophone
Jarrett Gibson: Tenor Saxophone