This is a list of Richard Marx's session work playing various instruments and singing backing vocals for various artists.
1980s
1982
- "You Are" (backing vocals)
1983
Lionel Richie - Can't Slow Down
- "All Night Long" (backing vocals)
- "Running with the Night" (backing vocals)
1984
- "Nothing's Gonna Change My Love for You" (backing vocals)
- "We Can Stop the Hurting" (backing vocals)
Julio Iglesias - 1100 Bel Air Place
- "Moonlight Lady" (backing vocals)
Fee Waybill - Read My Lips
- "Who Loves You Baby" (backing vocals)
Peabo Bryson - Straight from the Heart
- If Ever You're in My Arms Again (backing vocals)
- Learning the Ways of Love (backing vocals)
1985
Whitney Houston - Whitney Houston
- "Saving All My Love for You" (backing vocals, guitars)
- "All at Once" (backing vocals, guitars)
- "The Greatest Love of All" (backing vocals, guitars)
- "Hold Me" (backing vocals, guitars)
1986
- "White Heat" (backing vocals)
1987
- "Somewhere" (backing vocals)
- "Evergreen" (backing vocals)
- "Something's Coming" (backing vocals)
- "People" (backing vocals)
- "Send In the Clowns" (backing vocals)
- "Over the Rainbow" (backing vocals)
- "Guilty" (backing vocals)
- "What Kind of Fool" (backing vocals)
- "Papa, Can You Hear Me?" (backing vocals)
- "The Way We Were" (backing vocals)
- "It's a New World" (backing vocals)
- "Happy Days Are Here Again" (backing vocals)
- "America the Beautiful" (backing vocals)
1988
- "Edge of a Broken Heart" (keyboards)
1989
Michael Bolton - Soul Provider
- "Soul Provider" (backing vocals)
- "That's Not Her Style" (backing vocals)
- "Storm Front" (backing vocals)
1990s
1990
Tim Feehan - Full Contact
- "Heart in Pieces" (backing vocals)
1993
- "The Reason Why" (piano)
1995
Michael Bolton - Greatest Hits (1985–1995)
- "Soul Provider" (backing vocals)
Amy Sky - Cool Rain
- "Til Tomorrow" (backing vocals)
1997
Fee Waybill - Don't Be Scared By These Hands
- "I Know You" (backing vocals)
- "Tall Dark and Harmless" (backing vocals)
- "Shut Up and Love Me" (backing vocals)
- "The Swing of Things" (backing vocals)
- "Fools Cry" (backing vocals)
- "Surprise Yourself" (backing vocals)
- "I've Seen This Movie Before" (backing vocals)
- "What's Wrong with That" (backing vocals)
- "Somewhere Deep Inside" (keyboards)
1998
- The Last Words You Said (backing vocals)
1999
Barbra Streisand - A Love Like Ours
- "If You Ever Leave Me" (Duet with Vince Gill) (keyboards)
2000s
2000
Natalie Cole - Greatest Hits-Volume 1
- "Angel on My Shoulder" (backing vocals)
Barry Mann - Soul and Inspiration
- "Rock and Roll Lullaby" (backing vocals)
Kenny Rogers - There You Go Again
- "Crazy Me" (backing vocals)
- "I Do It for Your Love" (backing vocals, keyboards)
2001
Natalie Cole - Love Songs
- "Angel on My Shoulder" (backing vocals)
- "To Where You Are" (keyboards, piano)
2002
Michael Bolton - Only a Woman Like You
- "Slowly" (backing vocals)
- "I Surrender" (backing vocals, keyboards)
- "Eternally" (backing vocals, keyboards)
- "Have Yourself a Merry Little Christmas" (backing vocals)
Marie Sisters - Marie Sisters
- "I Will Hold On" (strings)
- "If I Fall in Love Tonight" (backing vocals)
- "Never Far Away" (Duet with Richard Marx) (keyboards)
- "If You Ever Leave Me" (Duet with Vince Gill) (keyboards)
2003
- "We Can Stop the Hurting" (backing vocals)
Billy Ray Cyrus - The Other Side
- "Tip of My Heart" (backing vocals)
Kenny Loggins - It's About Time
- "With This Ring" (backing vocals, keyboards)
- "I Miss Us" (backing vocals, keyboards)
- "The One That Got Away" (acoustic piano)
Kristy Starling - Kristy Starling
- To Where You Are (keyboards)
Luther Vandross - Dance with My Father
- "Dance with My Father" (keyboard and drum programming)
2004
Sissel - My Heart
- Someone Like You (all instruments)
- Beyond Imagination (backing vocals, keyboards, drum programming)
2005
Disney's Happiest Celebration on Earth: 50 Years
- LeAnn Rimes - "Remember When" (piano, keyboards, backing vocals)
2006
- "Meet Me in the Memory" (keyboards))
Luther Vandross - The Ultimate Luther Vandross
- "Dance with My Father" (keyboards and drum programming)
2007
- "I'll Remember Your Name" (backing vocals, acoustic guitar)
New Music from an Old Friend
- Kenny Loggins - "I'll Remember Your Name" (backing vocals, acoustic guitar)
2008
- "Just Like You" (backing vocals)
- "Pretty Drunk Out Tonight" (backing vocals)
- "All or Nothing" (backing vocals)
- "Let It Out" (backing vocals)
- "In Your Arms Again" (arranger, piano, strings)
- "Back to Life" (backing vocals)
- "Betty's Buns" (backing vocals)
- "If I Was Jesus" (backing vocals)
- "What I Do" (arranger, strings)
- "Last Man" (backing vocals)
- "I Believe in Angels" (backing vocals)
2009
- "Fear of Falling" (backing vocals)
- "Out from Under" (backing vocals)
Vertical Horizon - Burning the Days
- "Here" (piano)
2010s
2010
- "Mystery of the Night" (backing vocals)
Rhonda Vincent - Taken
- "Taken" (backing vocals)
2013
- All Through the Night (backing vocals)
Vertical Horizon - Echoes from the Underground
- "You Never Let Me Down" (piano, backing vocals)
- "Evermore" (backing vocals)
- "Song for Someone" (backing vocals)
- "Consolation" (backing vocals)
2014
Heart - Home for the Holidays
- All Through the Night - (vocals)
2015
Ringo Starr - Postcards from Paradise
- "Right Side of the Road" (backing vocals)
- "Not Looking Back" (guitars, backing vocals)
2018
Vertical Horizon - The Lost Mile
- "I'm Not Running" (backing vocals)
2019
Matt Nathanson - Postcards (from Chicago)
- "Surrender" (Duet with Richard Marx)
2020s
2020
Fee Waybill - Rides Again
- "Faker" (background vocals)
- "How Dare You" (guitar, bass, keyboards, background vocals)
- "Don't Want to Pull the Trigger" (background vocals)
- "Say Goodbye" (acoustic guitar, keyboards, background vocals)
- "Promise Land" (guitar, bass, keyboards, background vocals)
- "Man Of the World" (guitar, keyboards, background vocals)
- "Still You on the Inside" (guitar, keyboards, background vocals)
- "Woulda Coulda Shoulda" (bass, keyboards, background vocals)
- "Meant To Be Alone" (background vocals)