| Artist name | Roles | Recordings |
|---|---|---|
| Carlos McKinney | producer | Nobody’s Business |
| The-Dream (US singer, songwriter & RnB producer Terius Youngdell Nash) | producer | Nobody’s Business |
| Artist name | Roles | Recordings |
|---|---|---|
| Sleepy John Estes | harmonica | Black Mattie Blues |
| Yank Rachell | harmonica | T-Bone Steak Blues |