| Artist name | Roles | Recordings |
|---|---|---|
| Ed Plummer | producer | Heavy Meal, P300 EEG |
| Jaime Rosas (Symphonic prog artist from Chile) |
| Artist name | Roles | Recordings |
|---|---|---|
| Ed Plummer | producer | Heavy Meal, P300 EEG |
| Jaime Rosas (Symphonic prog artist from Chile) |
| Artist name | Roles | Recordings |
|---|---|---|
| Ed Plummer | producer | Heavy Meal, P300 EEG |
| Artist name | Roles | Recordings |
|---|---|---|
| Jaime Rosas | vocal | High Hopes |