| Artist name | Roles | Recordings |
|---|---|---|
| Black Star (hip hop collab, Mos Def & Talib Kweli) | performer | (Another) Another World, Hard Margin |
| Mos Def | performer | (Another) Another World, The Hard Margin |
| Artist name | Roles | Recordings |
|---|---|---|
| Harold Land Quartet | engineer, producer | Down Under, Echo, Fire Without a Flame, Hungry Eyes, Johnny, Jungle, Like the Wind, Love, One Wish, Pumpin Blood |