| Artist name | Roles | Recordings |
|---|---|---|
| Harpo Smith |
| Artist name | Roles | Recordings |
|---|---|---|
| Harpo Smith |
| Artist name | Roles | Recordings |
|---|---|---|
| Harpo Smith | producer | Dependence, Dune Wind, H.W. Running, Hearts to Kill, Independence, Positron, Proclamation Day, Soft Machine, What Happened |