Thursday, Sept. 10, 7 p.m., Brandon Town Hall. Tango orchestra Orquesta Sin Trabajo brings early 20th-century Buenos Aires tango music alive, while festival tango star dancers and teachers give impromptu performances. Tickets $15, available at Carr’s Florist and Gifts or the Brandon Inn, or online at tangovermont.com. Festival runs Sept. 10-13 at the Brandon Inn.