Don't take the music too seriously. I picked tunes on this basis:

(1) tunes I like

(2) appropriate tunes for a particular page

(3) musical variety

(4) midi quality-suprizingly some good tunes make poor midi and the reverse.

I purposely set it so you can easily turn off tunes you don't like. I'm afraid that the code I'm using doesn't work quite right with both MSIE and Netscape, but I settled for the version where you can control the songs with either browser.