Credits

Johnny Winter: Guitar, Vocals
Muddy Waters: Guitar, Vocals
James Cotton: Harmonica, Vocals
Pinetop Perkins: Piano, Vocals
Bob Margolin: Guitar, Producer, Liner Notes, Vocals
Howard Fritzson: Artwork Direction
Jim Marshall: Photography
David Gahr: Photography
Dr. Mark A. Williams: Mixing
Joseph M. Palmaccio: Mastering
Paul Natkin: Photography
Al Quaglieri: Producer
Willie "Big Eyes" Smith: Drums
Jim Parham: Project Director
Charles Calamese: Bass
Dave Still: Mixing
Susan Winter: Photography
Steve Berkowitz: Producer