Helge wrote down some RSS usability guidelines that seemed to settle our discussion at the Weblog Tools Collection.
I came across an ok site with introductionary examples of Ars Subtilior, music from around Avignon and Northern Italy (roughly 1370-1410) (see Wikipedia for more.
Whoops, I seem to have sparked a debate on RSS feeds and comments at WebLog Tools Collection. Good to have these kinds of dicsussions going in this kind of open forum