Home › Venues › Back 40 Bluegrass Festival Back 40 Bluegrass Festival Tickets Buy tickets for concerts at Back 40 Bluegrass Festival in Curryville, MO. No Upcoming Events No upcoming events scheduled at Back 40 Bluegrass Festival. Please contact us with any corrections. Hotels & Lodging Near Back 40 Bluegrass Festival About the Venue Back 40 Bluegrass Festival At-a-Glance AddressBack 40 Bluegrass ParkCurryville, MO 63339United States Map & Directions Advertisement