Check out the Creative Commons concert September 14th. I'll be on at 8pmSL/10pm CST, but check out the many other musicians as well. The concert will start at 5pmSL/7pmCST. It will all be licensed under the CC license so record and distribute to your heart's content.
Musicians include:
September 14th - 8SL/10pmCST - Second Life - in Menorca as part of the Creative Commons Concert. Here's the post on the matter.