Music-hosting sites:
Purevolume
Download.com Music
SoundClick
DMusic
New Music Network
IUMA
Garageband

Resource sites:
CD Baby
Hostbaby
Getsigned.com
Independent Records
Demo Universe
Unknownstyle.com
Music Island
Band Family Tree
Indie-Music.com
Garage Radio
New Artist Radio
Indie Journal
Radiotakover
D1 Music Network
Gods of Music
Band Radio
In Music We Trust
Kweevak.com
Weed
OEbase
Magnatune
United Global Artists
Focus on Music