| 2008 | Pirate Radio | Songs of John Hiatt
| Demo , Studio, live |
| | | | |
| 2006 | Bosstime | 12 Tracks live | Live Demo |
| | | | |
| 2005 | Brings | Fußball ist unser... | Backing vocals, Studio |
| | | | |
2005
| Christian Tolle Projekt
| The Real Thing
| Vocal, Studio |
| | | | |
| 2004 | Brings | Hoch, höher, Haie | Backing vocals, Studio |
| | | | |
2000
| Christian Tolle Projekt
| Better Than Dreams
| Vocals, Studio
|
| | | | |
| 2000 | Erftstadtsampler3 | T.H.& Roomservice
| 2 eigene Songs, Studio |
| | | | |
| 1999 | Flat Cat Cakes | Wet | eigene Songs, eigene Band, Studio |
| | | | |
| 1993 | Diesel’n Dust | Demo | Coverrock, Studio |
| | | | |
| 1989 | Humphrey’s Go-Kart | Best of 15 Years | Humphrey’s Go-Kart, live, Studio |
| | | | |
| 1988 | BM Sampler | Radioactive Love
| Humphrey’s Go-Kart, Studio |
