The following tracks from Megadeth's Peace Sells--But Who's Buying? will be available collectively for 880 Microsoft Points ($11) or individually for 160 Points ($2):

• Wake Up Dead
• The Conjuring
• Devil's Island
• Good Mourning / Black Friday
• Bad Omen
• I Ain't Superstitious
• My Last Words

The title track, missing from this pack, is on the Rock Band 2 disc, which hits Xbox 360 this Sunday, September 14 and PlayStation 3 in October.

The Rock Band Tour 4-Pack features bands on the concert tour of the same name. The tracks will be available in a 320 Microsoft Point ($4) bundle or individually for 80 Points ($1).

• 'One of Those Nights' by the Cab
• 'Hands Down' by Dashboard Confessional-
• 'She's a Handsome Woman' by Panic! At the Disco
• 'Natural Disaster' by Plain White T's

The above songs will be available in the Xbox 360 Rock Band Store on Tuesday, September 16 and on PS3 Thursday, September 18.