The Flatrock Bluegrass Jamboree is held in Marion, Wisconsin at Farmer Gene’s Campground.
The 2018 Flatrock Bluegrass Festival is set for June 28-30.
The 2018 music lineup includes:
Larry Gillis & The Swampgrass Band
Offers on-site camping and guitar raffles.
Festival website: Flatrock Bluegrass Jamboree