Opened in 1919. Ran 675 performances, to about August 1920. Irene is a musical with a book by James Montgomery, lyrics by Joseph McCarthy, and music by Harry Tierney. Based on Montgomery's play Irene O'Dare, it is set in New York City's Upper West Side and focuses on immigrant shop assistant Irene O'Dare, who is introduced to Long Island's high society when she is hired to tune a piano for a society gentleman. Wiki link