The poignant performance also featured Dirty Projectors’ Dave Longstreth and Planned Parenthood president Cecile Richards providing backup vocals.
Take a listen to 10 new passionate performances.
Musicians to join Democratic presidential candidate in Iowa this Saturday.
Guitar wizard’s forthcoming album, Azel, arrives this spring.
Neo-folk songwriter returns with her first LP in five years.
The follow-up to 2010’s Have One on Me is due out this fall.