Horse Feathers. JR Ancheta/Mountain Stage hide caption

itoggle caption JR Ancheta/Mountain Stage

Portland quartet Horse Feathers perform on Mountain Stage. Brian Blauser/Mountain Stage hide caption

itoggle caption Brian Blauser/Mountain Stage

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

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

Horse Feathers. Tarina Westlund hide caption

itoggle caption Tarina Westlund

Horse Feathers. Tarina Westlund hide caption

itoggle caption Tarina Westlund