Getting our fix of Gen Con costumes at the free Yavin Four concert (that’s a Star Wars–themed punk band) on Georgia Street, tonight at 7 p.m. … First Friday at the Murphy Arts Building in Fountain Square, then mai tais at Revolucion‘s tiki bar. … Aqua-zumba at Carmel’s Monon Center Saturday morning. … Taking in the Leaping Llama Limbo Show obstacle course at the Indiana State Fair Saturday at 7 p.m. … Going to Mallow Run Winery’s Eats & Beats Night Saturday to listen to The Woomblies Rock Symphony Orchestra, a local band. … Prepping for the upcoming Monumental Marathon with a run on the canal and by the zoo. … Watching the Olympics with a hand-tossed pie from Aunty Polly’s Pizza, a great little mom-and-pop joint on the east side since 1970. … Making ground-cherry jam while the fruit is in season.