Songs
- HarpoThe Marx Brothers
- Cosi Cosa, Chico Plays the Piano (A Night At the Opera)The Marx Brothers, Alan Jones, Chico Marx
- Alone (A Night At the Opera)The Marx Brothers, Kitty Carlisle, Alan Jones
- Pines Away - The Cocoanuts [Dialogue]The Marx Brothers
- Preparing a Land Auction - The Cocoanuts [Dialogue]The Marx Brothers
- End Title - Monkey BusinessThe Marx Brothers
- Sugar In the Morning - Monkey BusinessThe Marx Brothers
- O Sole Mio - Monkey BusinessThe Marx Brothers
- Dance Music - Monkey BusinessThe Marx Brothers
- More Incidental Music - Monkey BusinessThe Marx Brothers
- Piano Medley - Monkey BusinessThe Marx Brothers
- Incidental Music - Monkey BusinessThe Marx Brothers
- You Brought a New Kind of Love To Me - Monkey BusinessThe Marx Brothers
- Tango - Monkey BusinessThe Marx Brothers
- Sweet Adeline - Monkey BusinessThe Marx Brothers
- Main Title - Monkey BusinessThe Marx Brothers
- When My Dreams Come True - End Title - The CocoanutsThe Marx Brothers
- Gypsy Love Song - The CocoanutsThe Marx Brothers
- Tale of the Shirt - The CocoanutsThe Marx Brothers
- Ballet Music - The CocoanutsThe Marx Brothers
- Monkey Doodle Doo - The CocoanutsThe Marx Brothers
- Harpo's Working / When My Dreams Come True - The CocoanutsThe Marx Brothers
- When My Dreams Come True - The CocoanutsThe Marx Brothers
- The Bell Hops - The CocoanutsThe Marx Brothers
- Florida By the Sea - The CocoanutsThe Marx Brothers
- Main Title - The CocoanutsThe Marx Brothers
- A Tall African Tale/Animal Crackers [Dialogue]The Marx Brothers
- The Captain Between Two Woman/Animal Crackers [Dialogue]The Marx Brothers
- Anatomy Lesson/Horse Feathers [Dialogue]The Marx Brothers
- The Swordfish Password/Horse Feathers [Dialogue]The Marx Brothers
- The Professor's Conference/Horse Feathers [Dialogue]The Marx Brothers
- End Title/Animal CrackersThe Marx Brothers
- On My Old Kentucky Home/Animal CrackersThe Marx Brothers
- Incidental Music/Animal CrackersThe Marx Brothers
- Why Am I So Romantic?/Animal CrackersThe Marx Brothers
- Piano Stravaganza/Animal CrackersThe Marx Brothers
- Somewhere My Love Lies Sleepin' / Piano Medley/Animal CrackersThe Marx Brothers
- Presenting the Professor/Animal CrackersThe Marx Brothers
- Introducing Mario Ravelli/Animal CrackersThe Marx Brothers
- Hello I Must Be Going / Hooray for Captain Spaulding/Animal CrackersThe Marx Brothers
- You Must Do Your Best Tonight / I Represent/Animal CrackersThe Marx Brothers
- Butler's Song/Animal CrackersThe Marx Brothers
- Main Title/Animal CrackersThe Marx Brothers
- Happy End/Horse FeathersThe Marx Brothers
- Professor Wagstaff Presents the Football Game/Horse FeathersThe Marx Brothers
- Everyone Says I Love You / Piano Medley/Horse FeathersThe Marx Brothers
- Everyone Says I Love You/Horse FeathersThe Marx Brothers
- I'm Against It/Horse FeathersThe Marx Brothers
- Main Title/Horse FeathersThe Marx Brothers
- Why Am I So Romantic (Animal Crackers)The Marx Brothers, Lilian Roth, Harpo Marx