Now in its sixth year, the BarBrewGrass music festival supports families affected by pediatric cancer and blood disorders being treated at MUSC. General admission includes access to a full barbecue spread, other locally sourced food and craft beer, plus live music, a cornhole tournament, and a silent auction. Guests can purchase an additional $10 ticket to chow down on all-you-can-eat steamed oysters. Mainland Container Co. Kitchen & Bar, 1528 Ben Sawyer Blvd., Mount Pleasant. Saturday, noon-6pm. $30-$5. www.barbrewgrass.com