Poems for Laila - I Shot the Moon (1994)

Wiebke und die Wiedecks - Roulette des Lebens (1995)

Haymo Doerk - Fruits of Inheritance (1996)

UFO Horns - Five Days in Berlin (1997)

Ira Hayes - Songs to Jacob (1998)

Back to the Roots - Reflections (1998)

Poems for Laila - Sometimes in the Nighttime (2001)

Scirocco - Noch lang' nicht vorbei (2002)

Prinz of Harp - Rising Up (2002)

Haymo Doerk/Christian Sabot - Passion (2002)

Haymo Doerk - Shadows of the Past (2005)

Haymo Doerk - Moving Circles (2009)

Tony Carey's Planet P Project - G.O.D.B.O.X. (2014)

Smoothbox - Women's Advice (2016)

Haymo Doerk & Friends - On Twisty Tracks (2017)

Saharawa - Brain States (2018)

Saharawa - Life and Afterlife (2018)

Galaling u.a. - Gala 60 (2018)