| Artist name | Roles | Recordings |
|---|---|---|
| Michael Koser | ||
| Ferris MC | performer | A-HA (Rappen & Feiern) |
| Artist name | Roles | Recordings |
|---|---|---|
| Michael Koser | ||
| Ferris MC | performer | A-HA (Rappen & Feiern) |
| Artist name | Roles | Recordings |
|---|---|---|
| Ferris MC | performer | A-HA (Rappen & Feiern) |
| Artist name | Roles | Recordings |
|---|---|---|
| Michael Koser | vocal | Professor van Dusen Folge 1: Eine Unze Radium |