Educational Playground: Music Downloads - http://www.edu-cyberpg.com/Music/FREE.html Links to a variety of download sites as well as discussion papers

iTunes - http://www.apple.com/itunes/ Purchase music ~ approx. $1.00 per song

Kids Music - http://freekidsmusic.com/ p2p

Midi Database - http://www.mididb.com/ Midi files

Puretracks - http://www.puretracks.com Purchase music ~ approx. $1.00 per song

Walmart: Music Downloads - http://musicdownloads.walmart.com Buy tunes for 88¢

Wikipedia: Sound List - http://en.wikipedia.org/wiki/Wikipedia:Sound/list Copyright free download songs

Peer to Peer Download sites (p2p) - free download sites. These sites are restricted by some internet providers and school networks. It may be illegal to download from these sites, depending on the laws of your country.

morpheus.com 
www.limewire.com
www.kazaa.com 
www.napster.com 
www.bittorrent.com