| Artist name | Roles | Recordings |
|---|---|---|
| Berthold Tours | ||
| Jan Allan Quintet | ||
| Janusz Kozłowski |
| Artist name | Roles | Recordings |
|---|---|---|
| Berthold Tours | ||
| Jan Allan Quintet | ||
| Janusz Kozłowski |
| Artist name | Roles | Recordings |
|---|---|---|
| Berthold Tours | performer | 911 |
| Jan Allan Quintet | vocal | Moonshine (West Coast remix) |
| Janusz Kozłowski | vocal | Knock a Hater Out |