This site aims to provide a location where musicians can upload music under the Creative Commons license for use in Podcasts, Mashups, Shoutcasts, Webcasts and every other kind of 'casting' that exists on the net.
A feature of UK copyright law is that ripping songs from a CD isn't allowed. That could change soon as Lord Triesman, Minister for Intellectual Property, announced a consultation on IP reform that could make format shifting a legal right.
One of my favorite elements of The Simpsons is the music - both the background music and feature songs. This page has lyrics to all the best musical moments in Simpsons history, along with audio clips in mp3 format.