Shall We Dance (1937 film) their musicals since "The Gay Divorcee" (1934) – contributed to their least profitable picture to date. Astaire was no stranger to the Gershwins, having headlined, with his sister Adele, two Gershwin Broadway shows: "Lady Be Good!" in 1924 and "Funny Face" in 1927. George Gershwin also accompanied the pair on piano in a set of recordings in 1926. Rogers first came to Hollywood's attention when she appeared in the Gershwins' 1930 stage musical "Girl Crazy". "Shall We Dance" was named at the suggestion of Vincente Minnelli, who was a friend of the Gershwins. Minnelli originally suggested "Shall We Dance?" with
George Gershwin starring Fred Astaire and Ginger Rogers. Gershwin's extended score, which would marry ballet with jazz in a new way, runs over an hour in length. It took Gershwin several months to compose and orchestrate. Gershwin had a ten-year affair with composer Kay Swift, whom he frequently consulted about his music. The two never married, although she eventually divorced her husband James Warburg in order to commit to the relationship. Swift's granddaughter, Katharine Weber, has suggested that the pair were not married because George's mother Rose was "unhappy that Kay Swift wasn't Jewish". "Oh, Kay" was named for her. After Gershwin's