| Year | Artist | Album name | Role(s) |
| 1965 | Bob Dylan | Highway 61 Revisited | Piano, organ |
| 1966 | Blonde on Blonde | Organ, guitar |
| Tom Rush | Take a Little Walk with Me | Electric guitar, celesta, liner notes |
| The Blues Project | Live at The Cafe Au Go Go | Organ, vocals |
| Projections | Keyboards, vocals |
| 1967 | The Blues Project Live at Town Hall | Keyboards |
| The Who | The Who Sell Out | Organ |
| 1968 | Blood, Sweat and Tears | Child is Father to the Man | Organ, piano, vocals, ondioline |
| The Jimi Hendrix Experience | Electric Ladyland | Piano |
| Don Ellis | Autumn | Producer |
| 1969 | The New Don Ellis Band Goes Underground |
| The Rolling Stones | Let It Bleed | piano, French horn and organ |
| King | Live & Well | Piano |
| 1970 | Bob Dylan | Self Portrait | Guitar, horn, keyboards |
| New Morning | Organ, piano, electric guitar, French horn |
| 1971 | The Who | Who's Next | Hammond organ |
| Bo Diddley | Another Dimension | Keyboards, guitar |
| Rita Coolidge | Nice Feelin' | Organ |
| 1972 | The Lady's Not for Sale | Lead guitar |
| 1973 | Betty Wright | Hard To Stop | Arranger, composer, keyboards, main personnel |
| Frankie & Johnny | The Sweetheart Sampler | Producer |
| Atlanta Rhythm Section | Back Up Against the Wall | Synthesiser, ARP |
| Lynyrd Skynyrd | Pronounced Leh-Nerd Skin-Nerd | Producer, engineer, bass, Mellotron, back-up harmony, mandolin, bass drum, organ |
| 1974 | Second Helping | Producer, backing vocals, piano |
| Roger McGuinn | Peace on You | Guitar, piano, clavinet, arrangements, conductor |
| 1975 | Lynyrd Skynyrd | Nuthin' Fancy | Producer |
| The Tubes | The Tubes |
| 1979 | Leo Sayer | Here | Organ, synthesizer, keyboards, performer |
| 4 on the Floor | 4 on the Floor | Producer |
| 1981 | George Harrison | Somewhere in England | Keyboards, synthesisers |
| Ringo Starr | Stop and Smell the Roses | Piano, electric guitar |
| 1985 | Bob Dylan | Empire Burlesque | Rhythm guitar |
| 1986 | Knocked Out Loaded | Keyboards |
| 1989 | Roy Orbison | Mystery Girl | Organ |
| 1990 | Bob Dylan | Under the Red Sky | Hammond organ, keyboards |
| 1991 | Dave Sharp | Hard Traveling | Guest artist |
| Green On Red | Scapegoats | Producer |
| 1996 | Neil Diamond | Tennessee Moon | Hammond organ |
| 1998 | Phoebe Snow | I Can't Complain | Guest artist, Hammond organ |
| 2000 | Dan Penn | Blue Nite Lounge | Keyboards |
| 2000 | Peter Parcek | Evolution | Keyboards |
| 2003 | Chris Catena | Freak Out | Guest artist, Keyboards |
| 2010 | Peter Parcek | The Mathematics of Love | Keyboards |