Chris Otepka of The Heligoats performs a Tiny Desk Concert at the NPR Music offices. Abby Verbosky/NPR hide caption

itoggle caption Abby Verbosky/NPR

Jonsi performs on stage during Day 3 of the Splendour in the Grass music festival at Woodfordia on August 1, 2010, in Woodford, Australia. Mark Metcalfe/Getty Images hide caption

itoggle caption Mark Metcalfe/Getty Images

Dolorean's "Country Clutter" captures the way a relationship's end can be irrevocably shot through with righteously vindictive anger. Sarah Jurado hide caption

itoggle caption Sarah Jurado

The most agreeably pretty song to float along in ages, Horse Feathers' "Thistled Spring" still finds a way to chill the blood. Tarina Westlund hide caption

itoggle caption Tarina Westlund

Lost in the Trees sticks it to the man by performing four string-swept folk songs for his amusement. Stephen Thompson/NPR hide caption

itoggle caption Stephen Thompson/NPR

Mates of State's Kori Gardner and Jason Hammel turn Tom Waits' loping "Long Way Home" into a relentlessly sunny anthem. courtesy of the artist hide caption

itoggle caption courtesy of the artist