Piano scene from which movie?

65 views#1 Moviescoming of age piano

I can only remember this scene.
Young boy and young girl play piano and boy put his hand under the girls skirt, moving her panties to her knees.
It could be that the girl is teacher’s daughter and boy is coming for lessons but I am not sure. I also remember that the teacher is listening them play from another room so they mustn’t make mistakes while playing.
It could be European movie (Italian or Spanish) I really can’t remember.

stevanbj Edited question May 9, 2022