A Song to Remember
Starring Paul Muni, Merle Oberon, Cornel Wilde, Nina Foch, George Coulouris, Howard Freeman, Stephen Bekassy, John George, Sig Arno, Dawn Bender
It's a drama and music movie, and has a rating of 6.6 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Austria.