Dr. Boulanger has put up a wondeful collection of Csound mp3s at Csounds.com.
Download 4csoundCompositions.zip (99.1 MB)
The pack comes with 20 songs, with everything from ambient to minimal to cheesy techno (that would be my piece) to synth-generated halloween sound fx. All of the original source code is included in case you are curious to see what these compositions look like in their original state.