Moses and Aaron
Moses und Aron (original)
Starring Günter Reich, Louis Devos, Eva Csapo, Roger Lucas, Richard Salter, Werner Mann, Ladislav Ilavsky, Elfriede Obrowsky, Helmut Baumann, Jürg Burth
It's a drama and music movie, and has a rating of 6.7 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Italy.