Quote Originally Posted by Bdrone View Post
the Touhou tome of battle
Are you referring to the Touhou Battle Grimoire, or some Pathfinder-cogent material that I'm not aware of?

As for your thing about a sound-based Mythos things; in that movie, music was a direct metaphor for personal expression. So it's a Katametritis. They create artistic endeavors for the express purpose of the manipulation of people, places, and things. You can find its description here. Sadly it has yet to be written in full.