| Artist name | Roles | Recordings |
|---|---|---|
| Helge Hurum |
| Artist name | Roles | Recordings |
|---|---|---|
| Helge Hurum |
| Artist name | Roles | Recordings |
|---|---|---|
| Helge Hurum | percussion | Ongura, Part I, Ongura, Part II, Ongura, Part III, Spectre, Part I, Spectre, Part II, Spectre, Part III, Spectre, Part IV, Spectre, Part V |