| Artist name | Roles | Recordings |
|---|---|---|
| Braintax (British hip hop) | mix | Staircase to Stage |
| Harry Love | mix, producer, turntable(s) | Staircase to Stage |
| J-Zone | vocal | Staircase to Stage |
| Jehst | vocal | Staircase to Stage |
| Artist name | Roles | Recordings |
|---|---|---|
| Hank Ballard and The Midnighters | guitar | Annie Had a Baby, Sexy Ways, Work With Me Annie |