One of the main differences between a score and the perception of a piece of music is how much our perception is dominated by the present moment.

Could a score be modified to show that?

I sketched this:

In 1991, however, my computer wasn’t fast enough to make an animation that bulged like this, so it went into the pile of “back burner” projects, not to be revived until 2011, when I added a version of it to the version of the MAM Player I was working on:

You can watch it in motion here.