Monte Carlo (1930)
Monte Carlo is a 1930 American musical comedy film directed by Ernst Lubitsch. It stars Jeanette MacDonald as Countess Helene Mara. The film is also notable for the song "Beyond the Blue Horizon", which was written for the film and was performed by Jeanette MacDonald. The film was also hailed by critics as a masterpiece of the newly emerging musical genre. The screenplay was based on the Booth Tarkington novel Monsieur Beaucaire.
More at Wikipedia.