“New Caller” Square Dance (Callers Ben Stokes and John Bittner– “Mainstream” 7:00-9:00 pm). Spares and Pairs is sponsoring a free Mainstream dance at 7 p.m., Thursday, July 27, at the Bloomington Center for the Arts. Let’s support these up-and-coming folks by giving them an audience to practice with! Casual attire, free.