The House That Shadows Built the Marx Brothers, with Davison Clark playing Mr. Lee, Theatrical Producer, which was intended to promote their forthcoming 1931 film "Monkey Business" (Clark later played the role of the frustrated Passport Official in "Monkey Business" and would also appear in the war scene in "Duck Soup"). The segment, containing material which was never included in any other Marx Brothers film, is a re-working of the first scene of their first successful Broadway revue "I'll Say She Is" (1924), which Groucho considered to have been the funniest work in the Brothers' career. Except for a few name changes and additional gags,
The Threepenny Opera (1931 film) used in the film. Songs that were used include "The Ballad of Mackie Messer", "Love Duet", "Barbara Song", "Is It a Lot I'm Asking?", "The Ballad of the Ship with Fifty Cannons", "The Cannon Song", and "Song of the Insufficiency of Human Endeavor". "The Threepenny Opera" was the first film presented at Warner Brothers' new foreign-language theater in New York City. The versions of the film released in the United States and the United Kingdom were shorter than the 110 minutes of the original German version. The Threepenny Opera (1931 film) The Threepenny Opera () is a 1931 German musical