Sylvan Esso, performing live at the 9:30 Club in Washington, D.C. on June 13, 2014. Zac Visco for NPR hide caption

itoggle caption Zac Visco for NPR

Jack White, performing live at the Ford Theater in Hollywood, Calif. on Jun. 10, 2014. TourGigs for NPR hide caption

itoggle caption TourGigs for NPR

Spoon, performing "Rent I Pay," live from Le Poisson Rouge in New York City. Ebru Yildiz for NPR hide caption

itoggle caption Ebru Yildiz for NPR

Perfect Pussy's Meredith Graves performs during NPR Music's SXSW showcase. Adam Kissick for NPR hide caption

itoggle caption Adam Kissick for NPR