04/05/2012 05:24 pm ET Updated Apr 05, 2012

Pitchfork 2012 Lineup Completed: Wild Flag, Beach House, Cults, More Added To Festival (PHOTOS)

With the addition of 21 acts announced Thursday, the lineup for Chicago's Pitchfork Music Festival, slated to be held July 13-15 in the city's Union Park, is now complete.

Among the acts announced Thursday by festival organizers were Beach House, Wild Flag, Atlas Sound, Lower Dens, Thee Oh Sees, Nicolas Jaar and more.

Previously announced musicians playing the three-day festival include Friday acts Feist and Dirty Projectors; Saturday acts Hot Chip, Sleigh Bells, Grimes and Godspeed You! Black Emperor and Sunday acts Vampire Weekend, Iceage and AraabMUZIK.

Three-day passes to the festival already sold out, but single-day passes for all three days -- at $45 apiece -- remain available.

Check out the full Pitchfork Music Festival 2012 lineup in photos and videos below and let us know what you think of the talent: