Jamendo is currently under maintainance, sad isn't it ?
Nevertheless, you can still listen to a whole bunch of wonderfull music (just here on the right) waiting for it to come back again

Jamendo: platform n°1 for free legal music downloads

Available in seven languages, the website provide the biggest Creative Commons catalog in the world
For the artists it's an easy and simple way to publish, share and promote their music, but also to get cash back through revenu share or other commercials partners.

Jamendo, it's also:

Jamendo pro : original and quality music with competitive prices that can be used as background music for publics places, events or as soundtracks for audiovisual works or websites.