A boys' choir was used to provide the singing voices for the schoolgirl chorus that backs Judy on her numbers.
Billie Burke was married to Florenz Ziegfeld; Fanny Brice was one of the stars of Ziegfeld's Follies.
The blackface number, "Swing Low," is frequently removed when the film is shown on television.
Monty Woolley, Billie Burke, and Regional Gardner of this film's cast would all three appear three years later in the film adaptation of The Man Who Came to Dinner.