Pharoahe Monch at Pitchfork Music Festival 2009. 

A heads up: Tickets for Pitchfork Music Festival 2010 went on sale today. Single-day tickets cost $40, three-day passes go for $90.  You can purchase tickets online at PitchforkMusicFestival.com. 

This year, festival organizers are beginning earlier on Friday so concertgoers can enjoy even more music throughout the weekend, from bands like Pavement, Modest Mouse, LCD Soundsystem, St. Vincent, Raekwon and more. 

Pitchfork Music Festival is July 16 -18, 2010 at Union Park (1501 W. Randolph St.).