Moses Sumney's Aromanticism was one of Bob's favorite albums this year. Courtesy of the artist hide caption

alt-J performs live for KCRW. Brian Lowe/KCRW hide caption

alt-J's new album, Relaxer, is out now. Gabriel Green/Courtesy of the artist hide caption

Alt-J (left to right: Thom Green, Gus Unger-Hamilton, and Joe Newman) release Relaxer, their third studio album, on June 2. Courtesy of artist hide caption

alt-J's new album, Relaxer, is out June 2. Mads Perch/Courtesy of the artist hide caption

Cover art for Alt-j's third album Relaxer. courtesy of the artist hide caption

Clockwise from upper left: Spoon, Sharon Van Etten, St. Vincent, Future Islands, Flying Lotus. Courtesy of the artists hide caption

Alt-J. Dave Lichterman/KEXP hide caption

alt-J. Brittany Salerno/Courtesy of the artist hide caption

alt-J performed songs from This Is All Yours, live at (Le) Poisson Rouge in New York on Sept. 2. Ebru Yildiz for NPR hide caption

alt-J, from left: Thom Green, Joe Newman, Gus Unger-Hamilton. Gabriel Green/Courtesy of the artist hide caption

Alt-J lead vocalist Joe Newman gives his unique voice a break during the band's show at NPR Music's SXSW showcase at Stubb's in Austin. Adam Kissick for NPR hide caption

Britain's Alt-J performs live at opbmusic's studios in Portland, Ore. Inger Klekacz/opbmusic.org hide caption

Polica. Courtesy of the artist hide caption

Alt-J Tiny Desk Performance NPR 2012 Lauren Rock/NPR hide caption

Lianne La Havas Courtesy of the artist hide caption