Harmonix has announced the Rock Band DLC for the week of September 23:
Rush - Moving Pictures (Full Album):
“Tom Sawyer” (Original Version)
“Red Barchetta”
“YYZ”
“Limelight” (Original Version)
“The Camera Eye” (Part One) (Part Two)
“Witch Hunt”
“Vital Signs”
Singles:
Bad Religion - “Sorrow”
The Cult - “She Sells Sanctuary”
Hot Hot Heat - “Bandages”
Kasabian - “Shoot the Runner”
Sleater-Kinney - “You’re No Rock N Roll Fun”
Stone [...]

Rock Band’s DLC for the week of August 26 has been announced today by Harmonix:
Tracks:
Rush’s Moving Pictures (Full Album)
“Tom Sawyer” (Original Version)
“Red Barchetta”
“YYZ”
“Limelight” (Original Version)
“The Camera Eye” (Part One) (Part Two)
“Witch Hunt”
“Vital Signs”
All of the tracks are masters. Prices haven’t been revealed yet, but check here when it does. The album/tracks will be available on [...]