Duet, Group Member, Arranger (Unknown) Union by Grains of Time

Group Member (Unknown) Timeless... by Grains of Time

Low Vocals, Engineer (2007) Deliver Us from People by Walker Kong

Producer, Executive Producer, Guitar (2005) State of the Heart by Lisa Edwards

Mixing (2005) Greetings from Cairo, Illinois by Stace England

Photography (2005) One Day I'm Going to Go Stratospheric on You and, Chances Are, You'll Thank Me for It by Kiosk

Banjo, Drums, Vocals (2004) Mandrew by Mandrew

Producer, Engineer (2003) Foolishness Meets Vision by Gutter Swans

Trombone (2001) There Goes the Sun by Walker Kong

Trombone (2000) Distant Lovers on Listening Stations by Walker Kong

Vocals (Background), Trombone, Guitar, Vocals, Songwriter (2000) Drum Solo on the Bumpers by Florida

Vocals, Group Member (1999) Enchanted: The Best of Robert Gass & on Wings of Song by Robert Gass & On Wings of Song

Ukulele, Banjo, Vocals, Guitar (Electric), Guitar (Classical) (1999) By Blood and Marriage: The Tantalizing Untold True Tale by Accident Clearinghouse

Trombone, Baritone (1998) Sniff by The Legendary Jim Ruiz Group

Sound Effects (1997) How Sweet It Is by Jerry Garcia

Vocals, Guitar (1997) Golden Sun Songbook by Florida

Vocals (Background) (1995) Twenty Years of Romance by Captain & Tennille

Vocals (1993) Heart of Perfect Wisdom/Kalama: A Sufi Song of Love by On Wings of Song & Robert Gass

Vocals (1992) Medicine Wheel by Robert Gass

Vocals (1992) Songs of Healing by Robert Gass

Vocals (1991) Shri Ram by Robert Gass

Vocals (1990) Heart of Perfect Wisdom by On Wings of Song & Robert Gass

Director (1983) Flock of Seagulls Video 45 by A Flock of Seagulls