Coolfer comes up with another great article about some things to consider when buying music. This is really a must-read. Here's an example:
Understand the Economics of Music. A CD does not cost $1 to make. The manufacturing cost may be around $1, but the costs involved in finding, recording and marketing that music are considerable. Also, consumers should consider that musicians have muliple revenue streams. If you really care about supporting a particular musician, go to the live show and buy a T-shirt.
Really. Go read the whole thing now.