Before you add music to your video read the brief Creative Commons Guide to Legal Music for Videos for a quick look at what types of CC licenses are fair game for your project.
The Free Music Archive is a resource for freely downloadable music that you can search or browse by genre. Each track is clearly CC-licensed so check to make sure you know what uses are allowed.
All music on Jamendo is licensed under one of the 6 Creative Commons licenses. Jamendo lets you search for music by genre or user tags, or you can browse by CC license.
Logo by Creative Commons
dig.CCmixter lets you search and download liberally licensed music from the musicians' community at ccMixter. For every track, you are already granted permission to use the music in a clearly specified set of ways -- and if you need to request additional uses of a particular track, dig.CCmixter also provides a way for you to contact the artist and request it.
