Studio musician:
2005 Earth - trombone, tubular bells  
2007 Earth - trombone, piano, organ, mellotron  
2008 Earth - piano  
2013 Jex Thoth - keyboards  
2014 Atomic Ape - trombone, electric piano  
Live musician:
2005- Sunn O))) - electronics, keyboards, trombone  
2006 Earth - trombone, piano  
2008 Earth - trombone, piano  
Guest musician:
2015 Sunn O))) - synthesizers