This is one of those things I have thought of doing many times but wondered if perhaps someone had already done so. Or perhaps if the modders among us know of an easier way to do it.
I would love to create my own, for the interactive maps out there to overlay where different ambient music is played. Over the years I have on built and lived (as an Rp’er) in places where the music was both great and on occasion downright gloomy. And hearing it triggers memories of characters and seasons past.
It would be great to be able to actually plan for the ambience when thinking of future stories and characters.