Fireworks
Feuerwerk (original)
Starring Lilli Palmer, Karl Schönböck, Romy Schneider, Claus Biederstaedt, Werner Hinz, Rudolf Vogel, Margarete Haagen, Ernst Waldow, Käthe Haack, Lina Carstens
It's a comedy and music movie, and has a rating of 5.7 out of 10 from Imdb which is fairly okay for this kind of movie.
Watch it here
Not found streaming from Mexico.