Some previous collaborations:
- Birds and Traces
- Fe-mail
- BRAK RUG
- Agrare
- with Jaap Blonk
- with Lasse Marhaug, Paal Nilssen-Love and Slugfield
- Trinacria
- Truge
- with Stephen O’Malley
- with Joachim Montessuis

accordion Agrare all Ears alto Avant Joik bass Blonk/Ratkje cello choir dance Desibel double bass Fe-mail flute guitar Joëlle Léandre Marhaug/Ratkje mezzo moods Morgenbladet orchestra organ Passing Images percussion piano Ratkje/Haltli Ratkje/Hinde Ratkje/Mori Ratkje/Westerhus sax sinfonietta Slugfield soprano SPUNK string orchestra string quartet trilogy for girls choir Trinacria trombone trumpet vinyl viola violin wind band with POING