Maurice Chevalier under contract with Paramount, his name was so recognized that his passport was featured in the Marx Brothers film "Monkey Business" (1931). In this sequence, each brother uses Chevalier's passport, and tries to sneak off the ocean liner where they were stowaways by claiming to be the singer—with unique renditions of "You Brought a New Kind of Love to Me" with its line "If the nightingales could sing like you". In 1931, Chevalier starred in a musical called "The Smiling Lieutenant" with Claudette Colbert and Miriam Hopkins. Despite the disdain audiences held for musicals in 1931, it proved a successful
Monkey Business (1931 film) in the Paramount promotional film "The House That Shadows Built" (1931). The concept of the Marx Brothers being stowaways on a ship would be repeated in an episode of their radio series "Flywheel, Shyster, and Flywheel" (1933) in the episode "The False Roderick" and would also be recycled in their MGM film "A Night at the Opera" (1935). The essence of Groucho's joke, "Sure, I'm a doctor—where's the horse?" would serve as an integral plot element for their film "A Day at the Races" (1937). Also repeated in that later film would be the uproarious medical examination that Harpo and