Another possible idea might be some sort of mp3 download site where members can upload tracks they want to contribute, or pay a bit per track to download, the proceeds going directly to the charity. That could also serve (at the very least) as a sort of music-exchange for Mudcatters to be able to hear each other's stuff, and with a far greater choice of material. It might generate more than selling a CD, and with much less capital outlay.