Bitter Sweet is a 1940 American Technicolor musical film directed by W. S. Van Dyke, based on the operetta Bitter Sweet by Nol Coward. It was nominated for two Academy Awards, one for Best Cinematography and the other for Best Art Direction by Cedric Gibbons and John S. Detlie.
Set in late 19th century Vienna, the story focuses on the romance between music teacher Carl Linden Nelson Eddy and his prize pupil Sarah Milick Jeanette MacDonald.
Source: Wikipedia