One of the operas on stage at the Glimmerglass Festival in Cooperstown, NY this year is the Pulitizer Prize-winning Silent Night – based on a true story of a legendary cease-fire during World War I. Composer Kevin Puts spoke with WXXI's Mona Seghatoleslami for a preview of this moving opera. You can hear an extended interview with Kevin Puts here . Musical examples in the feature are courtesy of Minnesota Opera . Thanks also to Unision Media for helping to make this story happen.