Opinion: Do the numerous "musical codes" (e. g., the recurrence of the number 3, the lack of music for the Romans, and the tritone during the rowing scene) contained in Ben Hur add to the artistry of the film? Or, are these musical codes too subtle for the casual listener to grasp? Is this an example of art for artists' sake?

The linear perspective changed the quality of art because it gave art a sense of reality. it gave the illusion that the background and surroundings were actually close and/or far and a sense of depth. linear perspective change the quality of art following its birth the renaissance period as they want the art to be more realistic and they believe one way to achieve it is to use the method of linear perspective. it uses the principle of math to realistically portray space and depth in art. 

A  documentary film  is a nonfictional motion picture intended to document some aspect of reality, primarily for the purposes of instruction, education, or maintaining a historical record.example:     20,000 days on earth

No,sadie told me she doesn't want to go said margret.