| Artist name | Roles | Recordings |
|---|---|---|
| Emmett E. Miller (M.D. Stress Management) | ||
| Marius Trésor | ||
| Prophesia (Japanese Power Metal band from Tokyo) | ||
| Jiří Škorpík | arranger, recording | Proč jen chvíli |
| Artist name | Roles | Recordings |
|---|---|---|
| Jiří Škorpík | arranger, recording | Proč jen chvíli |
| Artist name | Roles | Recordings |
|---|---|---|
| Emmett E. Miller | vocal | Man O To |
| Marius Trésor | vocal | Tvou líbeznou tvář |
| Prophesia | vocal | Majakovskému |