Amazon has a whole bunch of hit songs available right now to download for .69 each! I can see songs from Taylor Swift, Cee lo Green, Black Eyed Peas, Zac Brown and lots more- 204 total to choose from!
Head over here to see the complete list of songs available.
Amazon also has this Kids MP3’s for free!!
http://www.amazon.com/exec/obidos/ASIN/B004W0ZBOO/ref=nosim/lhd-20
Just downloaded with no problems just had to download their software first in order to save to my computer.