Oh, Kay! is a
musical with music by
George Gershwin, lyrics by
Ira Gershwin, and a book by
Guy Bolton and
P. G. Wodehouse. It is based on the play
La Presidente by Maurice Hanniquin and
Pierre Veber. The plot revolves around the adventures of the Duke of Durham and his sister, Lady Kay, English bootleggers in
Prohibition Era America. Kay finds herself falling in love with a man who seems unavailable.
Oh Kay! was named for
Kay Swift, and the leading male character, Jimmy, is named after her husband, Jimmy Warburg. The show is remembered for its enduring song, "
Someone to Watch Over Me".