experimental music: characteristic artists + users (by comparing last.fm groups)

Hello,

see full report here:
http://www.last.fm/user/experimental101/journal

What do you think?
P.S.
- the analysis is NOT based on group connections (which the group leader sets), but: on unique group artists (which are influenced by group members)
- the image is automatically updating
- the table is cut + shows only the top artists


(click on picture to see more)