Google Music is offering over half a million albums for $4.99 each and over ten million tracks for 49-cents each for a limited time. All tracks are in 320kbps MP3 format, pretty high- quality stuff. Albums include Jay-Z’s Watch The Throne, Coldplay’s Mylo Xyloto, Rihanna’s Talk That Talk (Deluxe Edition), and many more. Some exclusions apply.