James Cotton – Harp Attack!

Harmonica [Left - Solo], Vocals [Fourth] – Carey Bell
Harmonica [Left Center - Solo, Last Solo], Vocals [Second] – Billy Branch
Harmonica [Right - Solo, Last Solo], Vocals [Third] – Junior Wells
Harmonica [Right Center - Intro, Solo, Last Solo], Vocals [First] – James Cotton
Written-By – George Jackson (3)

Harmonica [Left Center - First Solo, Duel], Vocals – Billy Branch
Harmonica [Right Center - Fills, Duel], Vocals – James Cotton
Written-By – Bernie Roth

Harmonica [All Solos], Vocals – Junior Wells
Written-By – Sonny Boy Williamson (2)

Harmonica [Center - First Solo, Background Harp] – James Cotton
Harmonica [Left - Background Harp] – Billy Branch
Harmonica [Right - Fills, Second Solo] – Junior Wells
Written-By – Willie Love (2)

Harmonica [Center - First & Last Solos], Vocals – Carey Bell
Harmonica [Left - Fills, Second Solo], Vocals [Third] – James Cotton
Vocals [Second] – Junior Wells
Written-By – Hap Walker

Harmonica [Center - First Solo], Vocals – Junior Wells
Harmonica [Left - Second Solo, Background Harp] – Billy Branch
Harmonica [Right - Background Harp] – James Cotton
Written-By – Junior Wells

Harmonica [Center - Second Solo], Vocals – Carey Bell
Harmonica [Left - Fills, First Solo] – James Cotton
Written-By – Junior Wells

Harmonica [All Solos], Vocals – James Cotton
Written-By – Jessie Mae Robinson

Harmonica [All Solos], Vocals – Junior Wells
Written-By – Junior Wells

Harmonica [Center - Solo], Vocals – Carey Bell
Harmonica [Right - Fills], Vocals [Second] – Junior Wells
Written-By – Carey Bell

Harmonica [All Solos], Vocals – Billy Branch
Written-By – Billy Branch