Um, speaking of some of the higher circuits in the Eight Circuit model ....
Some other music links, while I am on the subject.
Here is a place where you can download a free jazz album that Jesse Walker recommends. (Thurston Moore recommends it.) Here you can download an album of chamber music of Stravinsky that I like (FLAC files, from the Avante Garde Project.) Oz Fritz writes about two bands that matter.