Can't reset Music Library

When I first installed XBMC (running eden 11.0), I imported all of my music, which was very disorganized. I now have moved a bunch of the random junk to a separate folder (I probably should just delete it, but I didn't). Now I want to reset and start fresh with the music library. I can't seem to just update the library and have it work. I've read to go into userdata and delete the mymusic16.db file, but it isn't there. I've searched everywhere for any file like that, but can't find it anywhere. Any ideas or am I missing something?

thanks