Bonus Track: Stufe 4 Lyrics
| Song | Bonus Track: Stufe 4 |
| Artist | Norbert Nagel |
| Artist | Jo Barnikel |
| Artist | Karsten Nagel |
| Album | zero gravity |
YouTube Results (More on YouTube)
| Song | Bonus Track: Stufe 4 |
| Artist | Norbert Nagel |
| Artist | Jo Barnikel |
| Artist | Karsten Nagel |
| Album | zero gravity |