The outdoor music gathering will offer up oysters, beer and other food alongside its live concerts at Sharon Meadow in Golden Gate Park on Saturday, July 1. Electropop band Passion Pit (above, with singer Michael Angelakos) headlines Oysterfest, which also includes alternative rockers Kongos and indie pop band Sir Sly. The festival also has a silent disco, live art, its Shuck and Suck contest and oyster-alcohol pairings.