This week's three new tracks are Radiohead's "My Iron Lung," Weezer's "Buddy Holly," and a cover of Pretenders' "Brass in Pocket." Each sells individually for 160 Microsoft Points ($2).

As always, owners of the PlayStation 3 version of Rock Band are expected to receive the content on Thursday when the online PlayStation Store updates. Unfortunately, those that purchased the PlayStation 2 edition, which was released this week and co-developed by Pi Studios and Harmonix, will not be able to partake in the glory of downloadable game-expanding content.