Engineer (2005) Black Taj by Black Taj

Engineer (2004) Boxers, Painters and Snappers by Torch Marauder

Instrumentation, Engineer (2000) Yesterday...and Tomorrow's Shells by Libraness

Percussion (2000) Mountains by Mary Timony

Photography (1999) Age of Backwards [EP] by The Spells

Bass (1997) Magic City by Helium

Guitar (1997) Kerouac: Kicks Joy Darkness by Various Artists

Bass (1996) Pipeline: Live Boston Rock by Various Artists

Drums (1995) Slow Note From a Sinking Ship by Portastatic

Guitar, Keyboards, Bass (1995) Dirt of Luck by Helium

Percussion (1994) Pat's Trick by Helium

Guitar, Vocals (1992) Tannis Root Presents: Freedom of Choice by Various Artists