“A Video Player” presents a deleted scene from Milos Forman’s “Amadeus” (1984, Orion Pictures), the canine concert (old legacy review).
Mozart (Tom Hulce, who can be quite silly) is asked by one of Mozart’s benefactors (keeping him out of debt) to give a piano lesson to his daughter, but then the dogs come in and react to the music. Eventually the music migrates to one of the piano concerto finales (I think #18 but I’ll have to check).
I showed this to a social studies class when I was substitute teaching back in 2005, and the students who were under 17 were asked to close their eyes to the explicit scenes because the film was rated R, as per the regular teacher’s instructions.
Vienna picture: Wikipedia embed, click for attribution