Summer Camp Music Festival has released its third wave of artist announcements, adding Jason Isbell, Hard Working Americans and more to the lineup of this year’s festival, which will return to Three Sisters Park in Chillicothe, IL, on May 27–29.

Also included in the newly added artists are The Wailers, Break Science, Floodwood, The Nth Power, Goldfish, MarchFourth Marching Band, Liquid Stranger, Aqueous, Pigeons Playing Ping Pong, McLovins and more. View the full updated lineup here.

Tickets for Summer Camp are now available, and the current price level will increase tonight at midnight. More information is available at the festival’s website.