Bells Are Ringing is a musical with a book and lyrics by Betty Comden and Adolph Green and music by Jule Styne. The story revolves around Ella, who works at an answering service, and the characters that she meets there. The main character was based on Mary Printz, who worked for Green's answering service. Three of the show's tunes, "Long Before I Knew You", "Just in Time", and "The Party's Over", became standards.

The Shubert Theatre is a Broadway theater at 225 West 44th Street in the Theater District of Midtown Manhattan in New York City. Opened in 1913, the theater was designed by Henry Beaumont Herts in the Italian Renaissance style and was built for the Shubert brothers. Lee and J. J. Shubert had named the theater in memory of their brother Sam S. Shubert, who died in an accident several years before the theater's opening. It has 1,502 seats across three levels and is operated by The Shubert Organization. The facade and interior are New York City landmarks.