The New Hampshire Dance Institute will present “The 30-Year Letter,” in four performances at Keene State College’s Redfern Arts Center. The event will include dancers Great Brook, Mountain Shadows and South Meadow schools. Performances will be held May 27, at 7 p.m., May 28, at 1:30 and 7 p.m., and May 29, at 1:30 p.m. To reserve tickets, call 358-2168 or visit www.keene.edu/arts/redfern.