Moses und Aron (film)
Moses und Aron, known in English as Moses and Aaron, is a 1973 film by the French filmmaking duo of JeanMarie Straub and Danile Huillet based on the unfinished opera of the same title by Arnold Schoenberg. During its 1975 run at US festivals, it was also known as Aaron and Moses, and was frequently reviewed as such.
The film was shown at the 1975 Cannes Film Festival, but was not entered into the main competition.
Source: Wikipedia