Marx Brothers stage during the middle of a Groucho monologue to see if Groucho would be thrown off. However, to the audience's delight, Groucho merely reacted by commenting, "First time I ever saw a taxi hail a passenger". When Harpo chased the girl back in the other direction, Groucho calmly checked his watch and ad-libbed, "The 9:20's right on time. You can set your watch by the Lehigh Valley." The brothers' vaudeville act had made them stars on Broadway under Chico's management and with Groucho's creative direction—first with the musical revue "I'll Say She Is" (1924–1925) and then with two musical comedies:
Chico Marx a rendition of "The Beer Barrel Polka". Chico became the unofficial manager of the Marx Brothers after their mother, Minnie, died in 1929. As manager, he cut a deal to get the brothers a percentage of a film's gross receipts—the first of its kind in Hollywood. Furthermore, it was Chico's connection with Irving Thalberg of Metro-Goldwyn-Mayer that led to Thalberg's signing the Brothers when they were in a career slump after "Duck Soup" (1933), the last of their films for Paramount. For a while in the 1930s and 1940s, Chico led a big band. Singer Mel Tormé began his professional