| 1992 | PLAY EXPRESS | "Play Express" |
| 1993 | IVANHOE | "Rebellion" |
| 1994 | IVANHOE | "Visions and Reality" |
| 1995 | IVANHOE | "Symbols of time" |
| 1997 | IVANHOE | "Polarized" |
| 1999 | The H.M. Compilation | "United Forces" |
| 2002 | CHARISMA | "Deeper Ground" / Karma |
| 2004 | IVORIE | "Circle of Sound" |
| 2005 | IVANHOE | "Walk in Mindfields" |
| 2006 | IVORIE | "Enigma of Mind" |
| 2009 | CUPID | "Wings of Love" |
| 2011 | d-FINE | "2.3" |
| 2013 | d-FINE | "Flugfeld" |
| 2015 | AUDIONAUT | "The Live Session" |
| 2016 | tba. | "Slaughter of Humanity" |
LATEST CD:
AUDIONAUT "The Live Session" 2015/2016
