My Favorite is: Mp3Boy
There's the original mp3.com site
or Tlantos with many engines
and, mp3.box or 1mp3 or 2look4
or, there's AcidSearch or Astraweb
then, see: AudioFind or AudioGalaxy
or, Cybertropix or Dande or Lycos mp3 site
then, there's Filez or Immedia in Denmark
or, listen to Gerster's Chopin