D12 – Ain't Nuttin' But Music / Purple Pills

Bass, Guitar – Mike Elizondo
Engineer – Mauricio "Veto" Iragorri
Engineer – Steve King
Engineer [Assistant] – John Tyree
Engineer [Assistant] – Greg Burns
Engineer [Assistant] – Sean Sturge
Keyboards – Scott Storch
Producer – Scott Storch
Producer, Mixed By – Dr. Dre
Written-By – Andre Young
Written-By – Mike Elizondo
Written-By – Marshall Mathers
Written-By – Denaun Porter
Written-By – Scott Storch
Written-By – Von Carlisle
Written-By – DeShaun Holton
Written-By – Ondre Moore
Written-By – Rufus Johnson

Bass, Keyboards – Jeff Bass
Drum Programming – DJ Head
Engineer – Steve King
Engineer [Assistant] – Urban Kris
Engineer [Assistant] – Mike Strange
Harmonica – Ray Gale
Mixed By – Richard "Segal" Huredia
Producer – Eminem
Written-By – Marshall Mathers
Written-By – Denaun Porter
Written-By – Von Carlisle
Written-By – DeShaun Holton
Written-By – Ondre Moore
Written-By – Jeff Bass
Written-By – Rufus Johnson