Are there any free music download sites that are legal?

type in google 'youtube converter' and select the top item which comes up, there it will ask you to type in the youtube video URL, copy and paste the song video that you want and it will convert it into a mp3 file.

Jamendo is the current top free music download provider. The obtain their music through the Creative Commons liscensing, so all of the music on Jamendo has been released to the public directly from the artists themselves. PureVolume, NoiseTrade, and FreeMusicArchive (FMA) are all places that also offer music for free in this fashion.