Packs of three songs will retail for $5.49 through the service, with most individual songs clocking in at $1.99 apiece, according to GameSpot. Songs will vary in price between $.99 and $2.99.

For a look at the first few weeks of DLC, check out our freshly-posted Rock Band Guide, or hit the following link.

Week of November 20, 2007
(covers denoted by asterisk)

Metallica Pack
- Ride the Lightning
- Blackened
- And Justice for All

The Police Pack
- Can't Stand Losing You
- Synchronicity II
- Roxanne

Queens of the Stone Age Pack
- 3's and 7's
- Little Sister
- Sick Sick Sick

Individual Tracks
- Creedence Clearwater Revival, "Fortunate Son Revival" *
- Foreigner, "Juke Box Hero" *
- T-Rex, "Bang a Gong (Get It On)" *
- The Knack, "My Sharona" *
- The Runaways, "Cherry Bomb" *
- Wolfmother, "Joker & The Thief"

Week of November 27, 2007

David Bowie Pack
- Moonage Daydream
- Heroes *
- Queen Bitch *

Week of December 4, 2007

Black Sabbath Pack
- N.I.B. *
- Sweet Leaf *
- War Pigs *

Week of December 11, 2007

Punk Pack
- Ramones, "Rockaway Beach"
- The Clash, "I Fought the Law"
- Buzzcocks, "Ever Fallen In Love" *

Week of December 18, 2007

Individual Tracks
- Radiohead, "My Iron Lung"
- Weezer, "Buddy Holly"
- Pretenders, "Brass in Pocket" *