Sam Marx travel to New Jersey, and sell them door-to-door. In his last interview, Zeppo joked that his father "was a very bad tailor but he found some people who were so stupid that they would buy his clothes, and so he'd make a few dollars that way for food". Marx made a cameo appearance in his four sons' film "Monkey Business" (1931), sitting on top of luggage behind the brothers on the pier as they wave to the First Officer, having slipped off the ship without being arrested as stowaways. (In some interviews, the brothers mistakenly attributed this scene to "A
Monkey Business (1931 film) four stowaways because he can hear them singing "Sweet Adeline".) If so, it would be one of only a few times Harpo used speech on screen, as opposed to other vocalizations such as whistling or sneezing. At least one other possible on-screen utterance occurs in the film "A Day at the Races" (1937), in which Groucho, Chico, and Harpo are heard singing "Down by the Old Mill Stream" in three-part harmony. This was the first Marx film to be written specifically for film, and the first shot in Hollywood. Their first two films were filmed at Paramount Pictures' Astoria Studios