| Artist name | Roles | Recordings |
|---|---|---|
| Umbra et Imago | ||
| Catharsis (power metal band from Russia) |
| Artist name | Roles | Recordings |
|---|---|---|
| Umbra et Imago | ||
| Catharsis (power metal band from Russia) |
| Artist name | Roles | Recordings |
|---|---|---|
| Umbra et Imago | vocal | Mea Culpa, Rock Me Amadeus |
| Catharsis | performer | Крылья (Crematory vision) |