Annual Blue Grass Festival, Sept. 8, 9, and 10. Concert music starts at 12 p.m. on Sept. 8, then each day until after 9 p.m. Benefits Shriner's Children's Hospital. Rough camping available. Tents, campers, and RVs allowed after 8 a.m. on Sept. 6, dump station, but no hook-ups available. Admission - Day Tickets: $30, 3-day tickets: $60, weekend camping pass: $25. For more information, call 540-820-5970 or 540-896-6101, or visit bluegrassingrottoes.com