Patrick Leonard

1977 : Paul Bogush Jr. "Expect To Hear From Me Again!" (Keyboards)
1978 : Steve Camp "Sayin' It With Love" (Piano, Electric Piano, Polymoog, Minimoog & Organ)
1978 : Trillion "Trillion" (Piano & Electric Keyboards)
1980 : Trillion "Clear Approach" (Guitar & Keyboards)

1983 : Kapono "Piece A Cake" (Synths)
1984 : Evelyn 'Champagne' King "So Romantic" (Synthesizers & Drum Programming)
1984 : Stephanie Mills "I've Got The Cure" (Synthesizer Programming & Keyboards) 

1984 : Rodney Saulsberry "Rodney Saulsberry" (Keyboards & Synthesizers)

1985 : The Stanley Clarke Band "Find Out!" (Keyboards)
1986 : Stanley Clarke "Hideaway" (Keyboards)
1986 : Randy Crawford "Abstract Emotions" (Additional Synthesizer)
1986 : Hiroshima "Another Place" (Producer, Mixer, Keyboards, Synthesizers & Programming)
1986 : Madonna "True Blue" (Producer, Keyboards, Drum Programming & Drums)
1986 : Bill Meyers "Images" (Synthesizers & Programming)
1986 : Original Soundtrack Album "Nothing In Common" (Producer)
1986 : Original Motion Picture Soundtrack "Wild Cats" (Additional Synthesizers & Additional Synthesizer Programming)

1987 : Julie Brown "Trapped In The Body Of A White Girl" (Keyboards & Drums)
1987 : Kenny Loggins "Back To Avalon" (Producer, Keyboards & Programming)
1988 : Peter Cetera "One More Story" (Produced, Synthesizers, Acoustic Piano, B-3, Horn Programming & Drum Programming)
1988 : Marilyn Martin "This Is Serious" (Producer)
1988 : Boz Scaggs "Other Roads" (Rhythm Arrangement & Keyboards)
1989 : Julian Lennon "Mr. Jordan" (Producer, Synthesizers, Keyboards, B-3 Solo, CP-70 & 808 Programming)
1989 : Madonna "Like A Prayer" (Producer, Acoustic Piano, Organ B3, Clavinet & Synthesizer)
1989 : Music From The Original Motion Picture Soundtrack "Sing" (Producer & Synthesizers)
1990 : Madonna "I'm Breathless (Music From And Inspired By The Film Dick Tracy" (Producer, Assistant Mixer, Keyboards, Bass Synth & Drum Programming) 
1990 : Toy Matinee "Toy Matinee" (Executive Producer, Keyboards & Background vocals)

1991 : Schascle "Haunted By Real Life" (Producer, Keyboards & Handclaps)

1991 : Rod Stewart "Vagabond Heart" (Producer & Keyboards)
1992 : Donna DeLory "Donna DeLory" (Producer & Keyboards) 

1992 : Roger Waters "Amused To Death" (Producer, Choir Arrangement, Piano, Keyboards, Hammond Organ, Synthesizer, 2nd Sportscaster & Percussion Programming)
1993 : Marc Bonilla "American Matador" (Piano)
1993 : Rod Stewart "Unplugged...And Seated" (Producer)
1993 : Robin Zander "Robin Zander" (Piano, Organ & Synth)
1994 : 3rd Matinee "Meanwhile" (Producer, Keyboards & Background vocals) 
1994 : Tim Pierce "Guitarland" (Keyboards)
1995 : Chynna Phillips "Naked And Sacred" (Producer & Keyboards)
1995 : Michael W. Smith "I'll Lead You Home" (Producer, Keyboards, Drum Programming, Synth Programming & Organ)
1996 : Phil Keaggy "220" (Piano, Keyboard & Clav)

1996 : Patrick Leonard "Rivers" (Producer & Piano)

1997 : Bryan Adams "Unplugged" (Producer, Arranger, Piano & Organ)

1997 : Steve Tavaglione "Silent Singing (Acoustic Piano & Synthesizer)
1999 : Lara Fabian "Lara Fabian" (Producer, Engineer, Piano, Keyboards & Programming)

2000 : Elton John "The Road To El Dorado" (Producer, Electric Piano, Keyboards & Programming)

2001 : Elton John "Songs From The West Coast" (Producer, Organ, Keyboards, Mellotron & B3)

2002 : Christopher Cross "The Very Best Of Christopher Cross" (Producer & Keyboards)

2002 : Laura Pausini "From The Inside" (Producer, Arranger, Piano, Keyboards & Programming)

2003 : Michael W. Smith "The Second Decade 1993-2003" (Producer)

2006 : Ilse Delange "The Great Escape" (Producer, Keyboards & Programming)

2011 : Adam Cohen "Like A Man" (Producer, Piano, Hammond B3, Harmonium, Synths & String Arrangements)
2017 : Peter Cetera "The Very Best Of Peter Cetera" (Producer, Acoustic Piano & Synthesizers)

2022 : Peter Cetera "Love, Glory, Honor & Heart" (Producer, B3 Organ, Piano, Synthesizer, Drum Programming, Programming & Horn Programming)

? : Gretchen Peters "Words And Music (Producer)