Another story about the ever evolving new music business.
Buying Music From Anywhere and Selling It for Play on the Internet – New York Times
…the economics of online stores is changing the financial calculations of the music business, making it profitable to sell a relatively small number of copies of a song, as long as a compact disc is not manufactured and distributed.
The place where I am seeing the implementation of this get sticky is when you hit a niche market that is audiophile heavy. There is a notable percentage of free jazz listeners that are into audiophile experiences, and digital distribution is still lacking in that area. Hopefully the bandwidth and lossless codecs will catch up soon.