There are many dozens of newsgroups on the Usenet where you can get 1000's of mp3's for free.
Try http://www.newsreaders.com/
for more info on this amazing FREE resource for music, images, video, or discussion/support groups on damn near EVERY possible topic you can imagine (except Turkey Basters )
get a real newsreader and be sure to avoid MS OE and/or Netscape.