steiner & schloegl : stammplatz in walhalla (1994)

c.p. kerrville : six string dreams (1995)

walter khanshev : seaside poetry (1995)

szelegowitz : themes of home (1999)

s.n.e. : speak (2000)

karin eggert : transzendenz (2003)

earforce : earforce one (2003)

alice & ellen kessler : time to change (2004)

skringer & friends : live at the badeanstalt (2004)

chris boettcher : single (2005)

yvonne catterfeld : farben meiner welt (2005)

carla vallet : journey (2005)

c.b. green : count on me (2005)

soulkitchen : ain´t no stoppin us (2005)

ken ross : the wave music experience (2005)

lind : systematc regulations vol1 (2005)

catrin v. spannenberg : alive (2006)

mandoki soulmates : the concert (2007)

thorsten skringer : oer the line (2007)

dennis ritter-eichenlaub : wanna be free (2008)

klima :alle deine lieder (2008)

ania jools : bilder von mir (2009)

mandoki´s soulmates  : aquarelle (2009)