FILE - In this Nov. 1, 2012 file photo, from left, Gus Unger-Hamilton, Gwil Sainsbury, Joe Newman and Thom Green of Alt-J attend the Barclaycard Mercury Prize 2012 at the Roundhouse, in

 

              FILE - In this Nov. 1, 2012 file photo, from left, Gus Unger-Hamilton, Gwil Sainsbury, Joe Newman and Thom Green of Alt-J attend the Barclaycard Mercury Prize 2012 at the Roundhouse, in
FILE - In this Nov. 1, 2012 file photo, from left, Gus Unger-Hamilton, Gwil Sainsbury, Joe Newman and Thom Green of Alt-J attend the Barclaycard Mercury Prize 2012 at the Roundhouse, in London. Their debut album, "An Awesome Wave," went on to win the prestigious Mercury Prize given to the top album of the year in the United Kingdom and Ireland. The Cambridge quartet has since been a near constant conversation piece on the blogosphere and mid-sized club circuit on both sides of the Atlantic Ocean. (AP Photo/Barclaycard Mercury Prize, Jon Furniss, File)