Sleigh Bells, Dirty Projector, Flying Lotus, Danny Brown, Clams Casino and The Olivia Tremor Control have joined the lineup for The 2012 Pitchfork Music Festival. As previously reported, the three-day event will return to Chicago’s Union Park from July 13-15. Other recent additions to the festival’s lineup include: Iceage, The Men, Purity Ring, Schoolboy Q and The Atlas Moth. Sleigh Bells and Dirty Projectors both played the festival much earlier in their career. These acts join a lineup that also includes: Vampire Weekend, Feist, Godspeed You! Black Emperor, Hot Chip, A$AP Rocky, The Field, Liturgy, Willis Earl Beal and many others. Additional acts will be confirmed in the coming weeks.

Here’s a look at the festival’s lineup

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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