Pitchfork has added some names to its 2010 Pitchfork Music Festival line up, including Broken Social Scene, Panda Bear, Jon Spencer Blues Explosion,  El-P, Girls, Titus Andronicus, Bear in Heaven, Freddie Gibbs, Smith Westerns, Dâm-Funk, Cave, and Allá. Check out the complete line up.

The show will happen from July 16th - 18th in Union Park in Chicago. Tickets are on sale now.

Check out the Spacelab Festival Guide for more information on Pitchfork Music Festival.