I Do! I Do! is a musical with a book and lyrics by Tom Jones and music by Harvey Schmidt which is based on the Jan de Hartog play The Fourposter. The two-character story spans 50 years, from 1895 to 1945, as it focuses on the ups and downs experienced by Agnes and Michael throughout their marriage. The set consists solely of their bedroom, dominated by the large fourposter bed in the center of the room.

The Richard Rodgers Theatre is a Broadway theater at 226 West 46th Street in the Theater District of Midtown Manhattan in New York City. Opened in 1925, it was designed by Herbert J. Krapp and was constructed for Irwin Chanin. It has approximately 1,400 seats across two levels and is operated by the Nederlander Organization. Both the facade and the auditorium interior are New York City landmarks.