Tim Perry and the band Ages and Ages perform at the 2014 Newport Folk Festival. Adam Kissick for NPR hide caption

itoggle caption Adam Kissick for NPR

Ages and Ages performs at a Tiny Desk Concert on April 3, 2014. Meg Vogel/Meg Vogel/NPR hide caption

itoggle caption Meg Vogel/Meg Vogel/NPR

Future Islands at SXSW 2014. Adam Kissick for NPR hide caption

itoggle caption Adam Kissick for NPR

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

itoggle caption Courtesy of the artists