| Artist name | Roles | Recordings |
|---|---|---|
| Mark Isham | ||
| Billy Sheehan |
| Artist name | Roles | Recordings |
|---|---|---|
| Mark Isham | ||
| Billy Sheehan |
| Artist name | Roles | Recordings |
|---|---|---|
| Mark Isham | organ | An Eye on the World, Ashes and Diamonds, Honeymoon Nights, Marionette, Toward the Infinite White, Turkish Delight |
| Billy Sheehan | Hammond organ | Niacin |