Mumford & Sons have announced four East Coast U.S. shows for early 2013 in support of their new album Babel. The UK band will play Boston on February 5; Brooklyn's new Barclays Center on February 6; Fairfax, VA on February 13 and Camden, NJ on February 16. Mumford & Sons have two Los Angeles dates lined up for this month as well.

No Doubt

The American Music Awards continue to add performers, as Justin Bieber, Usher, No Doubt and Ke$ha have all been announced as part of the show. The 40th annual American Music Awards will be handed out on Sunday, November 18.

Thom Yorke's Atoms For Peace side project will release their debut album, AMOK, on January 28 via XL Recordings. The Radiohead frontman's band includes Red Hot Chili Peppers bassist Flea, super-producer Nigel Godrich, drummer Joey Waronker and percussionist Mauro Refosco.

Last week it was reported that a trailer had appeared online for Kanye West's Cruel Winter, saying only that it is "coming soon." However, the clip has been debunked by director Austin Christianson, who told Fuse the video was made to pitch a visual concept to West.

Adam "Ad-Rock" Horovitz will headline a rare solo show in December. Spin reports that the Beastie Boy has announced "Ad Rock Presents And Performs With His Friends & NYC Sensation Bridget Everett," set for December 2 at Los Angeles club Largo. It is one of Ad-Rock's few public appearances since the death of his bandmate Adam "MCA" Yauch earlier this year.

Rockers Coheed & Cambria will release The Afterman: Descension on February 5, as the second part of their current double-album set. The Afterman: Ascension was released on October 9. Coheed & Cambria have also set an early 2013 tour in support of The Afterman, kicking off with a two-night stand at Washington, D.C.'s 9:30 Club on February 4 and 5 and winding up at Radio City Music Hall in New York City on March 16.