Are many people here familiar with Bandcamp? http://bandcamp.com/
Its a great outlet for indepedently released music, from individual artists, and small labels etc
I have a few friends that use it for their output, there are fees involved but as far as i know it cuts out the middle men that are big labels and itunes etc and gives more money to those who deserve it.
There is also a ton of free/name your price music on there, some from unknown artists looking to get heard, and some from well known artists hoping that a freebie will make you consider a future purchase.
A great site IMO, get discoverin'!