The Bird Seller
Der Vogelhändler (original)
Starring Ilse Werner, Wolf Albach-Retty, Gerhard Riedmann, Eva Probst, Günther Lüders, Siegfried Breuer, Sybil Werden, Erni Mangold, Hans Hermann Schaufuß, Rudolf Reiff
It's a musical and music movie, and has a rating of 6.4 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Sweden.