iTunes has a death-grip on the music download market. That sounds like bad news, but what is happening right now is that companies like Amazon need to work really hard to gain some market share. This is good news.
Cheap, DRM-free mp3s? Yes please. Check out some of the excellent offerings:
Good Morning, Magpie
by Murder By Death
by Arcade Fire
A Rush Of Blood To The Head
Fart and Wiener Jokes
by Brian Posehn
Check out the other 95 offerings for yourself.