Has there been a thread for this?
Is this the right board to post this?

Someone is defining all the micro-genres of music. So far he has got 1264

http://everynoise.com/engenremap.html

The site is pretty great actually. The scatter-plot map of relationships looks cool. You can also look at it in lists, sort them various ways, search for artists.

Enjoy wasting too much time on this!