I think we were all happy with this one. Everyone involved, that is. Happy, more or less.
You can download the entire thing over there on the right. You can take them all in a single ZIP file, or download the MP3s individually.
The only way to get a CD in this series is to contribute to it. The songs aren't normally put on the web, because the song-in-a-day constraint can lead to some embarrassing stuff. Check out 20th project for more information on the project.