There are tons of sites that offer you free music, the problem is that the number of songs available is quite small. Puniz changes that by offering over 500 million audio tracks and claims that all of them are free and legal to download. To start, simply search for a song and select the one you want from the displayed results.
DawsonITE is a blog devoted to Educational Technology. It's compiled by Rafael Scapin, Coordinator of Educational Technology at Dawson College in Montreal (Canada).