Alexander's Ragtime Band
Starring Tyrone Power, Alice Faye, Don Ameche, Ethel Merman, Jack Haley, Jean Hersholt, Helen Westley, John Carradine, Paul Hurst, Wally Vernon
It's a drama and music movie, and has a rating of 6.9 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Belgium.