| Artist name | Roles | Recordings |
|---|---|---|
| Voyle Gilmore | producer | Day by Day, It's a Blue World, Poinciana |
| Lee Gillette | producer | Charmaine, Graduation Day |
| Bob Flanigan | trombone | A Beautiful Friendship |
| Artist name | Roles | Recordings |
|---|---|---|
| The Manhattan Transfer | vocal | To You |