Foo Fighters debuted new material on December 20th at a secret show in Los Angeles.

The Foo Fighters played new tracks including “Dear Rosemary,” “White Limo,” and “Back and Forth,” which may end up as the title track for their upcoming album.  Former Nirvana bassist Krist Novoselic also joined the group on stage playing their new song “I Should Have Known.”  Dave Grohl announced from stage that there “is not an acoustic guitar on the whole record.” The new Foo Fighters album is due out in Spring 2011.