I have made a .iso CD-ROM image, and still just mounting that, it says I have a music cd loaded. Maybe it's something to do with the fact that it is from the Millenium edition cd.
Btw, I found a very cool site (the most detail of WOX):
http://f45.aaa.livedoor.jp/~mighty/index2.html
The bad thing- it is mostly in Japanese! But by using babelfish, you can get most of the meaning out of it.