Melody For Three (1941)

aka: Progeny

A 12-year-old violin prodigy (Schuyler Standish) has been separated from his father (Walter Woolf King), a famous orchestra conductor, due to his parents’ divorce. The conductor doesn’t even know he has a son and is due to remarry. It’s up to Dr. Christian (Jean Hersholt) to reunite the boy’s parents. Also with Fay Wray.