Broadway Serenade (1939)
Broadway Serenade (also known as Serenade) is a 1939 musical drama film distributed by MGM, and directed and produced by Robert Z. Leonard. The screenplay was written by Charles Lederer, based on a story by Lew Lipton, John Taintor Foote and Hanns Kräly. The music score is by Herbert Stothart and Edward Ward.
More at Wikipedia.