| Artist name | Roles | Recordings |
|---|---|---|
| Marta Jandová | vocal | Gewissen, Kalter Glanz |
| Nik Page (German musician, member of "Blind Passenger") | ||
| Staubkind |
| Artist name | Roles | Recordings |
|---|---|---|
| Marta Jandová | vocal | Gewissen, Kalter Glanz |
| Artist name | Roles | Recordings |
|---|---|---|
| Nik Page | performer | Walk on a Razorblade (feat. Letzte Instanz) |
| Staubkind | remixer | Stille Tränen (Tears of Fears remix von Letzte Instanz) |