The Heartbreakers
Die Heartbreakers (original)
Four teenagers in the German Ruhr region try to succeed as a rock band in 1966. A girl tries to join them as a singer but is rejected by them.
Starring Sascha Disselkamp, Maria Ketikidou, Michael Klein, Uwe Bohm, Mark Eichenseher, Rolf Zacher, Esther Gemsch, Harmut Isselhorst, Werner Eichhorn, Werner Hansch
It's a drama and music movie, and has a rating of 7.2 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Singapore.