Dumpstaphunk, Melvin Seals & JGB, EOTO, Steve Kimock, The Big Wu and Ana Sia are among the acts scheduled to appear at the second annual PrairieGrass Music Festival. The jam and roots festival will take place at Houston, MN’s Outback Ranch from August 18-20. Other acts scheduled to appear include: Roster McCabe, Big Tasty, Natty Nation, New Primitives, Shoeless Revolution, Test Site 67, Big Zach, Chris Castino & Friends, Snake in the Grass, Freak Creek Festival, Space Orgy, Jen Perelstein and Green Key, among others. During the festival, Kimock will perform as a special guest with both EOTO and Melvin Seals & JGB. PrairieGrass will boast three stages, including an indoor performance space and will also host late night music until 4 AM. Embracing the camping aspect of the festival experience, firewood will be available. The Big Wu will also make an increasingly rare appearance at Wisconsin’s Cosmic Railroad Family Gathering this weekend.