You can purchase these on XBox Live via the links on rbnreleases.com (click "All Songs", they will be at the top)
If you do choose to buy these before they appear on the Rock Band Music Store, you are buying at your OWN RISK.
Amberian Dawn - "Ghostly Echoes" (2x)
an Unkindness - "Foundation" *
Antoine Dodson & The Gregory Brothers - "Bed Intruder Song (feat. Kelly Dodson)"
Asking Alexandria - "Morte et Dabo"
B.et.a and The Neon Panthers - "Queendom"
Closure in Moscow - "Sweet#hart"
Devin Townsend - "Ziltoidia Attaxx!!" (2x)
Graveyard BBQ - "By the Grace of the Grill"
Neonfly - "Ship With No Sails" (2x)
SikTh - "Bland Street Bloom"
The Story Changes - "New Ground"
Suicide Silence - "You Only Live Once" (2x) and "Slaves to Substance" (2x)
Songs with a (2x) after them will be accompanied by a double bass pedal – or (2x Bass Pedal) – version.
Songs with an asterisk (*) are 80MSP
Songs in Yellow are special releases or long-awaited releases
Songs in Blue have been getting positive reviews from the community
Songs in Red are not being released this week through the Rock Band Store.