The 2009 Pitchfork Music Festival which is set to be held at Chicago’s Union Park Friday, July 17 through Sunday, July 19 has announced more acts for this year’s festival. On Saturday, the festival welcomes Matt and Kim, Charles Hamilton, Fucked Up, Wavves and The Duchess and the Duke, and on Sunday, the audience will be taking in the sounds of M83, Black Lips, and The Very Best.

Ticket buyers can go online and “Write the Night” by voting for the set list of their dreams for the bands performing on Friday night. The ballot boxes are open until June 12. Tickets for the 2009 Pitchfork Music Festival can be purchased at http://www.pitchforkmusicfestival.com.

To recap the 2009 line-up so far:

Friday – “Write the Night: Set Lists by Request”
Built to Spill
The Jesus Lizard
Yo La Tengo
Tortoise
Saturday
The National
The Pains of Being Pure at Heart
Fucked Up
Matt and Kim
Wavves
Charles Hamilton
The Duchess and The Duke
Sunday
The Flaming Lips
Grizzly Bear
M83
The Walkmen
Pharoahe Monch
Black Lips
The Very Best
Vivian Girls