Bands, Beer, antique car show, vendors, and food trucks.  Starts at 9 a.m. for the Classic Car show.  http://www.highcountryfrederick.com/default.asp?page=Humdinger

Bands:

12:00 pm - Atomic Drifters

2:30 pm - The Truckadours

5:00 pm - Mr. Steak

7:30 - Lola Black (website says 5:00 pm. so I am assuming she is following Mr. Steak.  Call to be sure).