The Pitchfork Music Festival easily sold-out of their three-day passes, and they just added a huge slew of artists to the already-announced group earlier last month — this time get excited about Sleigh Bells, Dirty Projectors, Flying Lotus, the Olivia Tremor Control and many more…

Here’s the news from Pfork themselves:

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.

Single-day passes are still on sale. Full lineup has been updated here and below…

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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.