Xbox.com has listed the rest of the DLC for this month:
Week of Jan. 22: Oasis Pack (440 MS points/ $5.50)
- Don't Look Back in Anger (160 MS points/ $2)
- Live Forever (160 MS points/ $2)
- Wonderwall (160 MS Points / $2)
Week of Jan. 29: Progressive Pack (440 MS points/ $5.50)
- Siva - Smashing Pumpkins (160 MS points/ $2)
- Working Man - Rush *Cover* (160 MS points/ $2)
- Ten Speed (Of God's Blood and Burial) - Coheed and Cambria *Cover* (160 MS Points / $2)
I'll definitely be picking up the Oasis pack and Siva since they're awesome songs AND original recordings.