Credits
- Various Artists
- Greatest 80's
- 2008
- Producer
- U2
- War (Deluxe Edition)
- 2008
- Producer
- U2
- October (Deluxe Edition)
- 2008
- Producer
- Smokie
- Solid Ground (Bonus Tracks)
- 2008
- Brass Arrangement
- Various Artists
- Death Metal Box
- 2006
- Guitar
- Niall Toner
- There's a Better Way
- 2006
- Banjo
- Michael Hurley
- Down in Dublin
- 2005
- Banjo
- Bill Whelan
- Riverdance: Music from the Show
- 2005
- Arranger, Main Performer, Orchestration, Producer, Palmas
- Various Artists
- Greatest Irish Album Ever
- 2005
- Arranger
- Various Artists
- Irish Pub Songs (Brentwood)
- 2005
- Arranger
- Various Artists
- Healing Spirits: Celtic
- 2004
- Arranger
- M
- History: Pop Muzik -- The 25th Anniversary
- 2004
- Arranger
- Vanessa-Mae
- Choreography
- 2004
- Arranger, Keyboards, Producer, Vocals
- Abaddon Incarnate
- Nadir
- 2004
- Group Member, Guitar
- Various Artists
- Louis Walsh's History Of Irish Pop
- 2003
- Producer
- Daniel O'Donnell
- Greatest Hits
- 2002
- Piano
- Zoë Conway
- Zoe Conway
- 2002
- Arranger, Keyboards, Producer
- Downtown Brown
- Moist & Ridiculous
- 2002
- Guitar
- Various Artists
- Past Masters of the Irish Fiddle Music
- 2001
- Mandolin
- Jim McCann
- Collection
- 2001
- Keyboards, Producer, String Arrangements
- Dónal Lunny
- Journey: The Best of Dónal Lunny
- 2001
- Keyboards, Percussion
- Patrick Street
- Compendium: The Best of Patrick Street
- 2001
- Keyboards, Vocals (Background), Producer
- Movie Soundtrack
- Christmas Carol: The Movie (Soundtrack)
- 2001
- Producer
- Bill Whelan
- Riverdance on Broadway
- 2000
- Keyboards, Palmeros, Piano
- M
- Official Secrets Act (Japan Bonus Tracks)
- 2000
- Arranger
- Robert Gass
- Enchanted: The Best of Robert Gass & on Wings of Song
- 1999
- Photography
- Various Artists
- Celtic Christmas, Vol. 5: The Millennium Edition
- 1999
- Keyboards, Producer
- Movie Soundtrack
- Dancing at Lughnasa
- 1998
- Arranger, Drums, Orchestra, Liner Notes, Producer, Percussion
- Kate Bush
- This Woman's Work (Box Set)
- 1998
- Arranger
- Various Artists
- Joyful Noise: Celtic Favorites from Green Linnet
- 1998
- Keyboards
- Various Artists
- Celts Rise Again (Celtophile)
- 1998
- Keyboards
- Kate Bush
- Hounds of Love (UK)
- 1998
- Arranger
- Various Artists
- Celtic Gold
- 1998
- Performer, Producer
- Various Artists
- Celtic Heartbeat Collection, Vol. 2
- 1998
- Performer
- Bill Whelan
- Roots of Riverdance (Box)
- 1997
- Arranger, Keyboards, Liner Notes, Main Performer, Piano, Remixing, Producer, Percussion, Palmas, Orchestra
- Bill Whelan
- Seville Suite: Kinsale to La Coruna
- 1997
- Arranger
- Eileen Ivers
- So Far: The Collection 1979-1995
- 1997
- Arranger
- Bill Whelan
- Roots of Riverdance
- 1997
- Producer, Piano, Percussion, Orchestration, Main Performer, Liner Notes, Keyboards, Arranger
- Eileen Ivers
- So Far: The Collection 1979-1995
- 1997
- Producer
- Bill Whelan
- Seville Suite: Kinsale to La Coruna
- 1997
- Keyboards, Orchestration, Main Performer, Producer, Piano, Percussion
- Various Artists
- Celtic Music Today (Celtophile)
- 1997
- Keyboards
- Various Artists
- Piping Hot: Celtic Bagpipe Collection
- 1997
- Keyboards
- Patrick Street
- All In Good Time
- 1997
- Arranger, Producer, Vocals (Background), Keyboards
- Bill Whelan
- Some Mother's Son (Music from the Motion Picture)
- 1996
- Composer, Conductor, Main Performer, Orchestration
- Various Artists
- Green Linnet 20th Anniversary Collection
- 1996
- Keyboards
- Jim McCann
- Grace & Other Irish Love Songs
- 1996
- Producer
- Various Artists
- Pipeline: Live Boston Rock
- 1996
- Guitar, Vocals
- Bill Whelan
- Riverdance
- 1996
- Arranger, Main Performer, Palmas, Orchestration, Remixing, Producer
- The Corrs
- Forgiven, Not Forgotten
- 1996
- ?, Celtic Drum
- Various Artists
- Folk Collection
- 1995
- Arranger
- Rachel Portman
- War of the Buttons
- 1995
- Conductor
- Dan Doyle
- Folk Masters Ensemble
- 1995
- Arranger, Harmonium, Piano, Vocal Harmony, Synthesizer, Producer, Harmony Vocals, Vocals
- Carter Burwell
- Rob Roy
- 1995
- ?, Music Consultant
- Geraldine Doyle
- Emigrant Eyes
- 1995
- Arranger, Piano, Keyboards, Producer
- Davy Spillane
- Seville Suite
- 1995
- Arranger, Liner Notes
- Various Artists
- Celtic Heartbeat Collection
- 1995
- Producer, Performer
- Various Artists
- Celtic Graces: A Best of Ireland
- 1995
- Performer, Keyboards, Arranger
- Davy Spillane
- Seville Suite
- 1995
- Keyboards, Percussion, Producer, Piano, Orchestration
- Randy Edelman
- Mask (Original Score)
- 1994
- Orchestra Contractor
- Celtic Graces
- Best of Ireland
- 1994
- Keyboards, Piano
- Sean Smyth
- Blue Fiddle
- 1993
- Bass, Musician
- Robert Gass
- Heart of Perfect Wisdom/Kalama: A Sufi Song of Love
- 1993
- Photography, Cover Photo
- Stockton's Wing
- Crooked Rose
- 1992
- Keyboards, Producer
- Robert Gass
- Medicine Wheel
- 1992
- Photography, Cover Design
- Andy Irvine
- East Wind
- 1992
- Piano
- Various Artists
- Heart of the Gaels
- 1992
- Keyboards, Producer
- Andy Irvine
- East Wind
- 1992
- Producer, Keyboards
- De Danann
- 1/2 Set in Harlem
- 1991
- Bass, Double Bass
- Gerry O'Connor
- Time To Time
- 1991
- Double Bass
- Andy Irvine
- Rude Awakening
- 1991
- Percussion, Vocals (Background), Producer, Keyboards
- Robert Gass
- Shri Ram
- 1991
- Photography, Cover Photo
- Kate Bush
- Sensual World
- 1989
- Arranger
- Bullet Lavolta
- Gift
- 1989
- Bass
- Patrick Street
- 3 Irish Times 3
- 1989
- Keyboards
- Bullet Lavolta
- Gift
- 1989
- Group Member
- Davy Spillane
- Out of the Air
- 1988
- Keyboards, Producer
- Mary Margaret O'Hara
- Miss America
- 1988
- Piano
- Various Artists
- Irish Memories
- 1988
- Piano, Keyboards, Arranger, Producer
- Paul Brady
- Primitive Dance
- 1987
- Brass Arrangement
- Minor Detail
- Minor Detail Video 45
- 1985
- Producer
- Kate Bush
- Hounds of Love
- 1985
- Arranger
- Minor Detail
- Minor Detail
- 1983
- Producer
- Planxty
- Words & Music
- 1983
- Fiddle
- M
- Official Secrets Act
- 1980
- String Arrangements






















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