| Artist name | Roles | Recordings |
|---|---|---|
| Franz Plasa | producer | Cow & Boy (instrumental version), Gangsta (instrumental version) |
| Echt (German pop band) |
| Artist name | Roles | Recordings |
|---|---|---|
| Franz Plasa | producer | Cow & Boy (instrumental version), Gangsta (instrumental version) |
| Echt (German pop band) |
| Artist name | Roles | Recordings |
|---|---|---|
| Franz Plasa | producer | Cow & Boy (instrumental version), Gangsta (instrumental version) |
| Artist name | Roles | Recordings |
|---|---|---|
| Echt | remixer | Alles wird sich ändern (Wart's ab mix) |