I don't know what DVD commentaries are about. I'd like to strangle the person who came up with that concept.
I'll just start laying out the melody exactly where I want it to fall. And then I'll go back and fill it out. Whereas, in other pieces I'm really just going a couple bars at a time.
There certainly is a lot of political pressure for states to adopt the new federal tax codes. But there is no law that requires them to do so.