Pitchfork Music Festival 2012 just got a lot bigger. The lineup for the fest, which returns to Chicago's Union Park July 13-15, now includes Sleigh Bells, Dirty Projectors, Flying Lotus, Danny Brown, Clams Casino, the Olivia Tremor Control, Iceage, Purity Ring, The Men, Schoolboy Q, and the Atlas Moth.

In case you missed it, three-day passes for the festival have sold out. Thanks to everybody who purchased! Individual day tickets are on sale now right here. We're pleased to note that ticket prices have not been raised this year. Individual day tickets cost $45.

As previously announced, the lineup also includes Vampire Weekend, Feist, Godspeed You! Black Emperor, Hot Chip, AraabMUZIK, A$AP Rocky, the Field, Liturgy, Kendrick Lamar, Grimes, Cloud Nothings, Tim Hecker, and Willis Earl Beal. And there are still more than 20 additional acts to be announced in coming weeks.

Stay tuned for many more festival updates in the coming weeks! Join the Pitchfork Music Festival on Facebook here and Twitter here.

Here's the Pitchfork Music Festival lineup so far:

AraabMUZIK

A$AP Rocky

The Atlas Moth **

Willis Earl Beal

Danny Brown **

Clams Casino **

Cloud Nothings

Dirty Projectors **

Feist

The Field

Flying Lotus **

Godspeed You! Black Emperor

Grimes

Tim Hecker

Hot Chip

Iceage **

Kendrick Lamar

Liturgy

The Men **

Olivia Tremor Control **

Purity Ring **

Schoolboy Q **

Sleigh Bells **

Vampire Weekend

** just announced

Buy tickets here.