Sadly, this will be playing nowhere near me. If it is near you, you should go check it out.
This is Richard Williams. If you want to know anything about animation, this is the guy you turn to.
No, really. He'll teach you what he knows.
Back in the 80s, before the "masterpiece" was completed, there was this documentary. There are six parts and it's well worth it.
Here are over a hundred of those commercials he made, and hated, that paid his bills.
And here is the closest you'll see of the movie he wanted to make. Don't rent it, as you'll get the Miramax version and it's just awful. There's some rough spots here, but it's much stronger when two characters are silent.