- The Subdudes
- Flower Petals
- 2009
- Guest Appearance
- The Subdudes
- Flower Petals
- 2009
- Organ, Piano
- Michael Bloomfield
- Live at Bill Graham's Fillmore West: 1969 (Bonus Tracks)
- 2009
- Organ, Vocals, Producer
- Blood, Sweat & Tears
- Original Album Classics
- 2009
- Arranger
- Donovan
- Sunshine Superman: The Journey of Donovan
- 2008
- Author
- Chris Daniels
- Stealin' the Covers
- 2008
- Keyboards, Producer
- Al Kooper
- I Stand Alone/You Never Know Who Your Friends Are
- 2008
- Electronic Effects, Piano, Sitar, Vocals, Vibraphone, Producer, Organ (Hammond), Guitar, Ondioline, Guitar (Electric)
- Various Artists
- Jerry Ragovoy Story: Time Is on My Side 1953-2003
- 2008
- Liner Notes
- Various Artists
- Very Best of Outlaw Country
- 2008
- Producer
- Roger McGuinn
- Peace on You (Japan)
- 2007
- Arranger, Clavinet, Conductor, Engineer, Piano
- Roger McGuinn
- Peace on You (Japan)
- 2007
- Guitar
- Mick Jagger
- Very Best of Mick Jagger
- 2007
- Keyboards
- Moby Grape
- Grape Jam (Bonus Tracks)
- 2007
- Piano
- Various Artists
- Four Decades of Folk Rock
- 2007
- Organ
- Ringo Starr
- Photograph: The Very Best of Ringo Starr
- 2007
- Guitar (Electric), Piano
- Ringo Starr
- Photograph: The Very Best of Ringo Starr (Bonus DVD)
- 2007
- Guitar (Electric), Piano
- Chris Catena
- Booze, Brawds and Rockin Hard
- 2007
- Wurlitzer
- Various Artists
- Monterey International Pop Festival (Razor & Tie)
- 2007
- Author
- Various Artists
- Mullets Rock! Too!
- 2007
- Producer
- Lorraine Ellison
- Sister Love: The Warner Bros. Recordings
- 2006
- Producer
- Ad Vanderveen
- Late Bloomer
- 2006
- Organ (Hammond)
- Bill Wyman
- Stone Alone (Bonus Tracks)
- 2006
- Piano
- Various Artists
- Sugar Hill Records: A Retrospective (Box Set)
- 2006
- Organ, Piano
- Lynyrd Skynyrd
- Gold
- 2006
- Engineer, Producer
- Frank Black
- Fast Man Raider Man
- 2006
- Organ
- The Rolling Stones
- Let It Bleed (Japan)
- 2006
- French Horn, Piano, Organ
- Lynyrd Skynyrd
- Family
- 2006
- Producer
- Various Artists
- '70s: Gold
- 2006
- Producer
- Lynyrd Skynyrd
- Poison Whiskey
- 2005
- Producer
- Various Artists
- Southern Rock: Gold (2 CD)
- 2005
- Arranger, Producer
- Ray Charles
- Genius & Friends
- 2005
- Musical Direction
- Donovan
- Try for the Sun: The Journey of Donovan
- 2005
- Author
- Bob Dylan
- Collection, Vol. 4: Nashville Skyline/New Morning/John Wesley Harding (2005 Reissue)
- 2005
- French Horn, Organ, Guitar (Electric), Piano
- Bob Dylan
- Bootleg Series, Vol. 7: No Direction Home - The Soundtrack
- 2005
- Liner Notes, Organ
- Bob Dylan
- Collection, Vol. 3: Blonde on Blonde/Blood on the Tracks/Infidels (2005 Reissue)
- 2005
- Musician
- Taj Mahal
- Essential Taj Mahal
- 2005
- Piano
- Movie Soundtrack
- Dukes of Hazzard (Original Soundtrack)
- 2005
- Producer
- Lynyrd Skynyrd
- Greatest Hits
- 2005
- Engineer, Producer, Remixing, Moog Synthesizer, Horn Arrangements
- Various Artists
- Phil's Spectre II: Another Wall of Soundalikes
- 2005
- Producer
- Various Artists
- Classic Rock Ballads (Crimson)
- 2005
- Producer
- Al Kooper
- Black Coffee
- 2005
- Arranger, Engineer, French Horn, Guitar, Keyboards, Mixing, Organ, Vocals, Strings, Remixing, Producer, Pizzicato, Percussion, Oboe, Mandolin, Instrumentation, Group Member
- Movie Soundtrack
- Devil's Rejects (DualDisc)
- 2005
- Producer
- Movie Soundtrack
- Devil's Rejects (Clean)
- 2005
- Producer
- Lynyrd Skynyrd
- Chronicles
- 2005
- Engineer, Producer, Remixing
- Various Artists
- Playin' with Carlos
- 2005
- Producer
- Various Artists
- Classic Rock Gold
- 2005
- Producer
- Bob Dylan
- Collection, Vol. 4: Nashville Skyline/New Morning/John Wesley Harding
- 2005
- Guitar (Electric), Piano, Organ, French Horn
- Alvin Lee
- Free Fall/RX5
- 2005
- Organ
- Ray Charles
- Genius & Friends (Borders Exclusive Edition)
- 2005
- Musical Direction
- The Blues Project
- Live at the Café Au Go Go (Bonus Tracks)
- 2004
- Group Member, Keyboards, Organ, Vocals
- Roger McGuinn
- Roger McGuinn/Peace on You
- 2004
- Arranger, Clavinet, Conductor, Guitar, Piano, Engineer
- The Zombies
- Odessey and Oracle (2004 Bonus Tracks)
- 2004
- Liner Notes
- Bob Dylan
- Blonde on Blonde (Remastered 1-CD)
- 2004
- Guitar, Horn, Musician, Performer, Organ, Keyboards
- The Tubes
- White Punks on Dope (Remastered)
- 2004
- Mixing, Producer, Re-Arranged
- George Harrison
- Dark Horse Years 1976-1992
- 2004
- Keyboards, Musician
- George Harrison
- Somewhere in England (Bonus Tracks)
- 2004
- Synthesizer, Musician, Keyboards
- George Harrison
- Dark Horse Years 1976-1992
- 2004
- Synthesizer
- The Rolling Stones
- Remastered Series
- 2004
- French Horn, Piano, Organ
- Peter, Paul and Mary
- Carry It On (Bonus DVD)
- 2003
- Organ
- Stephen Stills
- Turnin' Back the Pages
- 2003
- Guitar (12 String), Guitar (Electric), Ondioline, Vocals, Piano, Organ, Horn Arrangements
- Shuggie Otis
- Here Comes Shuggie Otis/Freedom Flight
- 2003
- Organ, Piano, Producer
- Bob Dylan
- Highway 61 Revisited (Remastered)
- 2003
- Organ, Piano
- Bob Dylan
- Blonde on Blonde (Remastered 2-CD)
- 2003
- Musician
- Movie Soundtrack
- Martin Scorsese Presents the Blues: A Musical Journey
- 2003
- Organ, Piano
- Lynyrd Skynyrd
- Thyrty: The 30th Anniversary Collection
- 2003
- Vocals (Background)
- Al Kooper
- New York City (You're a Woman) (Japan)
- 2003
- Adaptation, Engineer, Arranger, Guitar, Guitar (Electric), Mellotron, Piano, Soloist, Wah Wah Guitar, Producer, Organ, Harmonium, Guitar (Acoustic)
- Leo Sayer
- Here (UK Bonus Tracks)
- 2003
- Keyboards
- Michael Bloomfield
- Super Session (Bonus Tracks)
- 2003
- Art Direction, Mixing, Vocals, Producer, Piano, Organ, Ondioline, Liner Notes, Guitar (12 String), Horn Arrangements, Guitar (Electric)
- Various Artists
- Mullets Rock!
- 2003
- Producer
- Al Kooper
- Fillmore East: The Lost Concert Tapes 12/13/68
- 2003
- Art Direction, Organ, Photography, Liner Notes, Piano, Vocals, Producer
- Various Artists
- He's a Rebel: The Gene Pitney Story Retold
- 2002
- Arranger, Engineer, Mixing, Producer
- The Rolling Stones
- Forty Licks (Collector's Edition)
- 2002
- French Horn, Organ
- The Rolling Stones
- Forty Licks
- 2002
- French Horn
- The Rolling Stones
- Forty Licks
- 2002
- Piano, Organ
- Blood, Sweat & Tears
- Child Is Father to the Man (Bonus Track)
- 2002
- Keyboards, Ondioline, Organ, Vocals, Piano
- Francine Reed
- American Roots: Blues
- 2002
- Guitar, Organ (Hammond)
- Various Artists
- Jukebox Hits of the '60s (Collectalbes)
- 2002
- Performer
- Lynyrd Skynyrd
- Pronounced Leh-Nerd Skin-Nerd (Expanded Edition)
- 2001
- Engineer, Mixing, Producer
- Al Kooper
- Rare + Well Done: The Greatest & Most Obscure Recordings
- 2001
- Arp Omni, Arranger, Celeste, Bass, Editing, Flute, Keyboards, Mellotron, Package Design, Vocals, Vibraphone, Synthesizer, Remixing, Producer, Piano, Organ, Main Performer, Guitar, Engineer
- Various Artists
- Guitar Heroes (Sony Box Set)
- 2001
- Performer
- Various Artists
- Live Concert Rock Classics
- 2001
- Performer
- Various Artists
- Cool Blue Rocks: Rock 'N' Roll in the Bluegrass Tradition
- 2001
- Organ
- Green on Red
- Scapegoats/Here Comes the Snakes
- 2001
- Keyboards, Producer, Mixing
- Lynyrd Skynyrd
- Nuthin' Fancy/Second Helping/Street Survivors
- 2001
- Engineer, Moog Synthesizer, Organ, Horn Arrangements, Guitar (Acoustic), Percussion, Producer, Vocals (Background), Remixing, Piano
- Various Artists
- Ultimate Jukebox Hits of the '60s, Vol. 3
- 2001
- Performer
- Rick Nelson
- Legacy (Capitol)
- 2000
- Original Album Producer
- Lynyrd Skynyrd
- Skynyrd Collectybles
- 2000
- Producer























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