Credits

Henry Gray: Piano
J.T. Brown: Tenor Saxophone
Sam Lay: Drums
Buddy Guy: Guitar
Willie Dixon: Bass
Lafayette Leake: Piano
Hubert Sumlin: Guitar
Jody Williams: Guitar
Johnny Jones: Piano
Pete Welding: Compilation, Liner Notes
Phil Chess: Producer
Leonard Chess: Producer
S.P. Leary: Drums
Earl Phillips: Drums
Abe Locke: Tenor Saxophone
Junior Blackman: Drums
Donald Hawkins: Baritone Saxophone
Hosea Lee Kennard: Piano
L.D. McGhee: Guitar
Arnold Rogers: Tenor Saxophone