Private Lessons (1975)

Vittorio De Sisti directs this erotic Italian comedy about a young, gifted pianist who loses interest in his studies upon the arrival of a gorgeous new tutor. Soon enough, the budding musician has a whole new hobby that demands his attention. IMDB

Fantasies, curiosities, and fears
This is a movie that plays to teenage fantasies, curiosities, and fears. Because of this, you will probably be most attracted to the movie if you are a teenage boy. For others, it will appear contrived and cause discomfort, rather than wholehearted entertainment.

IMDB Reviewer