From the Harmonix Rockband.com website
Harmonix and MTV Games have announced their next online pack, new tracks from WEEZER’s sixth studio release, WEEZER (Red Album), available on June 24th. The critically acclaimed LA-based, guitar-pop quintet contribute the following three tracks; “The Greatest Man That Ever Lived,” “Dreamin’” and “Troublemaker” to the Rock Band™ Music Store of downloadable content. Each track will be available for $1.99 per track (160 Microsoft Points for Xbox 360) or $5.49 (440 Microsoft Points for Xbox 360) for the three-pack.
Awesome!…
I am a big Weezer fan, and love playing the currently available songs by them, so I will definitely be adding these to my collection.

Also available tomorrow is the third complete album available from Rockband, which is from The Pixies. Thier full album “Doolittle” will be available for purchase and download at the cost of 18.99 (1520 Microsoft Points for Xbox LIVE Marketplace for Xbox 360) for the album.
Tracks:
Pixies Doolittle
“Crackity Jones”
“Dead”
“Debaser”
“Gouge Away”
“Here Comes Your Man”
“Hey”
“I Bleed”
“La la Love You”
“Monkey Gone To Heaven”
“Mr Grieves”
“No 13 Baby”
“Silver”
“Tame”
“There Goes My Gun”
All of these tracks from both bands utilize the original master recording…