Early bird registration discounts for the CMJ Music Marathon & Film Festival 2010 end at midnight tonight August 31st. You can register here. And while more bands will be announced in the coming weeks, here's the initial lineup of showcases:

DeVotchKa
Surfer Blood
Two Door Cinema Club
School of Seven Bells
Bad Books (feat. Kevin Devine and Manchester Orchestra)
Four Tet
The Drums
Ghostface Killah
Greg Dulli
Helmet
Lissie
Foreign Exchange
Katzenjammer
Kristen Schall & Friends
Dean & Britta
Bayside
Senses Fail
Jason Isbell & The 400 Unit
Salem
The Blow
Small Black
Big Freedia
Dominique Young Unique
Angus & Julia Stone
Frankie and the Heartstrings
Dale Earnhardt Jr. Jr.
Langhorne Slim