“- Otis B. Driftwood: Do you know America is waiting to hear him sing?
- Fiorello: Well, he can sing loud, but he can't sing that loud.”

Groucho Marx - Otis B. Driftwood
Chico Marx - Fiorello

“- Lyle Rogers: We're not singers, we're songwriters.
- Marty Freed: So? The Beach Boys weren't songwriters.”
Warren Beatty - Lyle Rogers
Jack Weston - Marty Freed

“Can't nobody sang like Eddie King Jr!”
Michael Wright - Eddie

“Now look lady, you may have heard a lot of singers but you ain't heard nothin' sung till you've heard me sung it.”

Dean Martin - Dino

“- Nigel: The way you play you probably will. You forget I saw your Barber of Seville, your singing brought tears to my ears.
- Wilf Bond: Saw you in Carmen. I'll never forget it, but I'll try.”
John Rawnsley - Nigel
Billy Connolly - Wilf Bond