As if the slew of unofficial aftershows wasn't enough, the 2011 Pitchfork Music Festival has now announced two official afterparties.

Das Racist, and Smith Westerns will play Lincoln Hall on Friday, July 15th.
Tickets go on sale tomorrow, at noon CST.

Twin Shadow, and Deerhunter will play DJ Sets on Saturday, July 16th @ Beauty Bar.
Tickets go on sale today, at noon CST.

Regarding the Beauty Bar afterparty; only a limited amount of tickets will be available online. The bulk of the tickets will be sold night of, at the door.