Go West a.k.a. The Marx Brothers Go West is the tenth Marx Brothers comedy film, in which brothers Groucho, Chico, and Harpo head to the American West and attempt to unite a couple by ensuring that a stolen property deed is retrieved. It was directed by Edward Buzzell and written by Irving Brecher, who receives the original screenplay credit.
Like other Marx Brothers films, Go West has several musical numbers, including As if I Didnt Know and You Cant Argue with Love both by Bronislau Kaper and Gus Kahn, Ridin the Range by Roger Edens and Gus Kahn, From the Land of the SkyBlue Water by Charles Wakefield Cadman and The Woodpecker Song by Harold Adamson and Eldo di Lazzaro. In this song, Chico, playing the piano, rolls an orange on the keys in sync with the melody.Groucho was aged 49 during the filming of Go West, and his hairline had begun receding. As such, he took to wearing a toupee throughout the film, as he did the previous film, At the Circus. ........
Source: Wikipedia