Clockwise from upper left: Deerhunter, Youth Lagoon, GEMS, YACHT Courtesy of the artists hide caption

itoggle caption Courtesy of the artists

Clockwise from upper left: Angel Olsen, Ages And Ages, Death Grips, GEMS. Courtesy of the artists hide caption

itoggle caption Courtesy of the artists

Lucius was just one of the many bands worth discovering at this year's CMJ festival. Becky Harlan/NPR hide caption

itoggle caption Becky Harlan/NPR