Seruling Senja (1974)

Ati's teacher who lives with her mother is a music teacher. One day she hears the sound of a flute coming from a village. Then she gets to know Irwan, the heartbroken flute player. Then love is established. However, Irwan's boss who sees Ati's talent takes her to Jakarta. Misunderstandings due to jealousy occur until finally Ati finds out that the man is her biological father.