The Relationship of Geometric Form to the Problem of Mapping

I'm interested in why you're so fascinated by the relationship of a geometric shape that can be arrayed in a variety of different manners to this underlying problem of mapping. Is there a relationship between that and what composers do with music? Because there's a certain repeating determinacy in music, but obviously a composer just doesn't take a pattern and repeat it indefinitely. What makes a piece of music into a good piece of music? I mean, I have no idea. That's a much deeper issue.