Another tour of notables spawned by the O’Brother, Where Art Thou? soundtrack and the recent Down from the Mountain Tour. Performers for this one, dubbed the “Great High Mountain Tour,” include Alison Krauss + Union Station, Ralph Stanley, the Cox Family, the Nashville Bluegrass Band, The Whites, and Norman and Nancy Blake. The show starts at 7:30 p.m. The park opens at 6 p.m. Tickets range from $40 to $55.