Ian Underwood

1974 : Freddie Hubbard "High Energy" (Arp Synthesizer)

1975 : Quincy Jones "Mellow Madness" (Synthesizer Programming)

1975 : Melba Moore "Peach Melba" (Arp & Moog Programming)

1976 : Ambrosia "Somewhere I've Never Travelled" (Saxophone)
1976 : The Brothers Johnson "Look Out For #1" (Synthesizer Programming)
1976 : Norman Connors "You Are My Starship" (Mini Moog & String ARP)
1976 : Lesley Gore "Love Me By Name" (Synthesizer Programming)

1976 : Alphonso Johnson "Moonshadows" (Synthesizer Programming, Acoustic Piano (Prepared) & Arp 2600 Synthesizer)
1976 : Alphonso Johnson "Yesterday's Dreams" (Synthesizers & Synthesizers Solo) 

1976 : John Lee & Gerry Brown "Still Can't Say Enough" (Mini-Moog Synthesizer, Oberheim Polyphonic Synthesizer & ARP String Ensemble)
1976 : Carmen McRae "Can't Hide Love" (Synthesizer)
1976 : Harvey Mason "Earthmover" (Synthesizer)
1976 : Alphonse Mouzon "...The Man Incognito" (ARP 2600 Synthesizer)
1976 : Lee Ritenour "First Course" (Synthesizer & Synthesizer Programming)
1976 : Seawind "Seawind" (Synthesizer Programming)

1977 : Angelle "Angelle" (Polymoog & Minimoog Synthesizer)

1977 : Gato Barbieri "Ruby, Ruby" (Synthesizer)
1977 : The Brothers Johnson "Right On Time" (Keyboards & Synthesizer)
1977 : Chunky, Novi & Ernie "Chunky, Novi & Ernie" (Synthesizer Programming, Saxes & Flutes)
1977 : Chi Coltrane "Road To Tomorrow" (Synthesizer Programming)

1977 : Mayumi Itsuwa "Today" (Synthesizer)
1977 : Harvey Mason "Funk In A Mason Jar" (Synthesizer) 

1977 : Sergio Mendes And The New Brazil '77 "Sergio Mendes And The New Brazil '77" (Mini Moog & Harp String)
1977 : Bill Quateman "Night After Night" (Clavinet & Synthesizer)

1977 : Noel Pointer "Phantazia" (Oberheim Synthesizer Programmer)
1977 : Lee Ritenour "Captain Fingers" (Oberheim Polyphonic Synthesizer, Acoustic Guitar & Synthesizer Programming)
1977 : Bruce Roberts "Bruce Roberts" (Keyboards)

1977 : Seawind "Window Of A Child" (Synthesizer Programming)
1978 : Paul Anka "Listen To Your Heart" (Synthesizer)

1978 : Paul Anka "This Is Love" (Synthesizer)

1978 : Lalo Schifrin "Gypsies" (Oberheim)

1978 : Mac Davis "Fantasy" (Synthesizer & Clavinet)
1978 : Rodney Franklin "In The Center" (Oberheim)
1978 : Jerry-Kelly "Somebody Else's Dream" (Synthesizer)
1978 : John Handy Featuring Lee Ritenour "Where Go The Boats" (Synthesizer)
1978 : Hodges, James & Smith "What Have You Done For Love?" (Synthesizer)
1978 : Helen Reddy "We'll Sing In The Sunshine" (Synthesizers)
1978 : Lee Ritenour "The Captain Journey" (Oberheim Polyphonic Synthesizer)
1978 : Dusty Springfield "Living Without You Love" (Synthesizer)
1978 : Barbra Streisand "Songbird" (Synthesizers)
1979 : Alessi "Words And Music" (Synthesizer)
1979 : Kristin Berglund "Long Distance Love" (Synthesizers)

1979 : Toni Brown "Toni Brown" (Synthesizer)

1979 : Eddie Henderson "Runnin' To Your Love" (Synthesizer & Programming)
1979 : Bill Hughes "Dream Master" (Synthesizers)  

1979 : Peggy Lee "Close Enough For Love" (Keyboards)
1979 : The Manhattan Transfer "Extensions" (Synthesizers)
1979 : Barry Manilow "One Voice" (Synthesizer)  

1979 : The Original Soundtrack Collection "The Warriors" (Synthesizers)
1979 : Lee Ritenour "Feel The Night" (Keyboard & Synthesizers)
1979 : Brenda Russell "Brenda Russell" (Synthesizer)
1979 : Dick St Nicklaus "Magic" (Synthesizer)

1979 : Evie Sands "Suspended Animation" (Synthesizers)

1979 : Lalo Schifrin "No One Home" (Keyboards)
1979 : Ben Sidran "The Cat And The Hat" (Synthesizer Programming)
1979 : Barbra Streisand "Wet" (Synthesizers)  
1979 : Sweetbottom "Turn Me Loose" (Polyphonic Synthesizer Programming)
1980 : Chicago "XIV" (Programming)
1980 : Rodney Franklin "Rodney Franklin" (Oberheim)
1980 : Dave Grusin "Mountain Dance" (OBX Synthesizer & Prophet Synthesizer)

1980 : Keiko Mizukoshi "Like You" (Synthesizer Programming)
1980 : Kevin Moore "Rainmarker" (Synthesizers)
1980 : Dolly Parton "9 To 5 And Odd Jobs" (Synthesizers) 

1980 : Lee Ritenour "The Best Of Lee Ritenour" (Oberheim Polyphonic Synthesizer, Synthesizer Programming & Acoustic Piano)
1980 : Rene & Angela "Rene & Angela" (Synthesizers & Synthesizer Programming)
1980 : Bruce Roberts "Cool Fool" (Synthesizer)
1980 : Dick St. Nicklaus "Sweet And Dandy" (Synthesizer)
1980 : Frankie Valli "Heaven Above Me" (Synthesizer)
1981 : Carole Bayer Sager "Sometimes Late At Night" (Synthesizers)
1981 : Carpenters "Made In America" (Synthesizer Programming)

1981 : Charlie Dore "Listen!" (Synthesizer Programming)
1981 : Eye To Eye "Eye To Eye" (Keyboards & Synthesizer Programming)
1981 : Quincy Jones "The Dude" (Synthesizer Programming)
1981 : Maxus "Maxus" (Additional Synthesizer Programming)

1981 : Music From The Motion Picture "Heavy Metal" (Synthesizer)
1981 : Rene & Angela "Wall To Wall" (Synthesizers & Synthesizer Programming)
1981 : Joey Scarbury "America's Greatest Hero" (Synthesizers)

1981 : Ken Tamura "Light Ace" (Synthesizer)
1982 : Anne Bertucci "I Need You" (Synthesizers)
1982 : The Brothers Johnson "Blast (The Latest And The Greatest)" (Keyboards & Synthesizers)  

1982 : Jerry Knight "Love's On Our Side" (Synthesizers)
1982 : Bill LaBounty "Bill LaBounty (Synthesizers)
1982 : Barry Manilow "Here Comes The Night" (Synthesizers)
1982 : Barry Manilow "I Wanna Do It With You" (Synthesizers)
1982 : Harvey Mason "Stone Mason" (Synthesizers)
1982 : Original Motion Picture Soundtrack "Tootsie" (Synthesizers)
1982 : Mike Post "Television Theme Songs" (Synthesizers)
1982 : Eric Tagg "Dreamwalkin'" (Synthesizers)
1982 : Tavares "New Directions" (Synthesizers)

1982 : Vangelis / Original Motion Picture Soundtrack "Blade Runner" (Synthesizers)
1982 : Ernie Watts "Chariots Of Fire" (Synthesizer)
1982 : Patty Weaver "Patty Weaver" (Synthesizer Programming) 
1983 : Anne Bertucci "Cool Hand" (Synthesizers)
1983 : James Ingram "It's Your Night" (Synthesizer Programming) 
1983 : Marc Jordan "A Hole In The Wall" (Keyboards Synth)
1983 : Stephanie Mills "Merciless" (Synthesizers)
1983 : Original Motion Picture Soundtrack "Get Crazy" (Synthesizers)
1983 : Oxo "Oxo" (Additional Synth Programming)
1983 : June Pointer "Baby Sister" (Synthesizer)
1983 : Reed Nielsen/Mark Pearson "Blind Luck" (Synthesizers)
1983 : Rene & Angela "Rise" (Synthesizer Programming)
1983 : Marilyn Scott "Without Warning!" (Micro Composer & Programmer)

1983 : Tom Scott "Target" (Synthesizers)

1983 : Tom Wopat "Tom Wopat" (Keyboards)
1983 : Junko Yagami "I Wanna Make A Hit Wit-Choo" (Moog)
1984 : Anne Bertucci "III" (Keyboards & Synthesizers Programming, Keyboards, Synthesizers) 

1984 : Original Soundtrack Recording From The Twentieth Century Fox Motion Picture "Rhinestone" (Synthesizers)

1984 : Mike Post "Mike Post" (Synthesizers)
1984 : Rick Springfield "Hard To Hold - Soundtrack Recording" (Synthesizers)
1985 : Cosmos & Their L.A. Friends "Session II" (Programmer)

1985 : V.A. "The JVC Jazz Festival '85" (OBX Synthesizer & Prophet Synthesizer)
1985 : V.A. "USA For Africa - We Are The World" (Synthesizer Arrangements & Synthesizers)

1986 : Vesta Williams "Vesta" (Synthesizer)

1987 : Ronee Martin "Sensation" (Synths)
1989 : Dave Grusin "Collection" (OBX Synthesizer & Prophet Synthesizer)
1989 : Quincy Jones "Back On The Block" (Synthesizer Programming & Handclaps)
1991 : James Ingram "The Best Of James Ingram - The Power Of Great Music" (Synthesizer & Synthesizer Programming)
1992 : Michael Bolton "Timeless (The Classics)" (Piano) 
1992 : David Foster "A Touch Of David Foster" (Synthesizers)

1992 : The Manhattan Transfer "The Christmas Album" (Keyboards)

1992 : Brenda Russell "Greatest Hits" (Synthesizer)

1992 : V.A. "GRP 10th Anniversary - Collection" (OBX Synthesizer & Prophet Synthesizer)

1993 : Bill LaBounty "The Best Of Bill LaBounty" (Synthesizer)

1996 : Michael Bolton "This Is The Time - The Christmas Album" (Piano & Synthesizer)
1998 : Take 6 "Greatest Hits" (Synthesizer Programming)

2001 : Patti Austin "The Very Best Of Patti Austin - The Singles (1969-1986)" (Synthesizer & Programming)

2001 : Brenda Russell "Ultimate Collection" (Synthesizer)
2002 : Stephen Bishop "The Best Of Stephen Bishop - The Millennium Collection" (Synthesizers)
2003 : Chicago "The Box" (Programming)

2003 : Lee Ritenour "The Best Of Lee Ritenour" (Synthesizer Programming, Oberheim Polyphonic Synthesizer & Acoustic Piano)
2011 : Dave Grusin "Masterpieces - Best Of The GRP Years" (Synthesizers)
2011 : Bill LaBounty "Time Starts Now - The Definitive Anthology" (Keyboards)  

2015 : Alphonso Johnson "Moonshadows / Yesterday's Dreams / Spellbound" (Prepared Acoustic Piano, Keyboards, Arp 2600 & Synthesizer Programming)

2016 : Michael Bolton "Original Album Classics" (Piano)

2018 : Chi Coltrane "45th Anniversary Box" (Synthesizer Programming)

2018 : V.A. "AOR AGE Presents GEMS & RARITIES" (Synthesizers)