If you are looking for a facinating article on what the future may hold for the music biz, check out The Long Tail by Chris Anderson over at Wired. The subheading should give you a good idea of what the article is all about:
Forget squeezing millions from a few megahits at the top of the charts. The future of entertainment is in the millions of niche markets at the shallow end of the bitstream.
Quite a fascinating future I think.