Artension - Into the Eye of the Storm 1996
John West - Mind Journey 1997
Artension - Phoenix Rising 1998
Cozy Powell - Especially For You 1998
John West - Permanent Mark 1998
Artension - Forces of Nature 1999
Artension - Machine 2000
Royal Hunt - Fear 2000
Royal Hunt - Intervention 2001
Artension -Sacred Pathways 2001
Royal Hunt - The Watchers 2001
Royal Hunt - The Mission 2001
John West - Earth Maker 2002
Artension -New Discovery 2002
Royal Hunt - Eye Witness 2003
Feinstein - Third Wish 2004
Artension - Future World 2004
Royal Hunt - Paper Blood 2005
John West - Long Time...No Sing 2006
Johnny & Lonnie - Greatest Misses 2006
Royal Hunt - Double Live 2006
Ten Man Push - TMP 2007
Emir Hot - Sevdah Metal 2008
Ten Man Push - Playin'in the Dirt 2009
Mythodea-2012
Artlantica - Across The Seven Seas-2013
Deezl - Ignite - 2017

Guest Appearances:
Marc Ferrari's Guest List - 1994
Sun Red Sun - Sun Red Sun 1994
James Murphy - Feeding the Machine 1999
Slave to the Power - An Iron Maiden Tribute 2000
Savatage - Poets and Madmen 2001
Royal Hunt - "On the Mission 2002" 2002
Roger Staffelbach-
Angel of Eden Album 'The End of Never'-2007
Mistheria - Dragon Fire 2010
Neils Vejlyt-Sage's Recital-2013
Delta-The End of Philosophy-2013
American Mafia -2014
Project FORCES UNITED- 2015
Neils Vejlyt - Sage's Recital "The Winter Symphony " - 2016
Smithzonian - 2016
Crimson Cry "Lost Reality"-2017

DVD:
Royal Hunt - Live 2006

Unreleased:
Many Moons 1996
Rider 1997