Download music the legal way on Amazon for free until June 30th. To promote their Amazon Cloud MP3 Service, you can download $2 worth of songs for free. Simply follow this link: Amazon $2 MP3 Credit. You’ll enter the code CLOUDMP3 after following a link and will be good to go. $2 isn’t a lot, but it’s a great way to get a nice clean version of some of those rare must have singles. No jump needed here.