Groupon offers 1 Rooftop Ticket to the Dave Matthews Band Concert at the Sheffield Baseball Club on Friday, September 17 bundled with unlimited food and drinks for $125. (Click on "Rooftop Ticket for Dave Matthews Band Concert" in the right sidebar to see this deal.) That's $133 off and the best deal we could find for this show. Unlimited food and non-alcoholic beverages are served for the duration of the show. Alcoholic beverages are cut off after 10 pm.