The Grand Ole Opry is celebrating its 100th anniversary this year. It began as a Nashville radio broadcast on November 28, 1925, and has grown into a stage that has launched many artists’ careers and preserved the genre’s traditions. Opry Ambassador McKenna Stamm has been behind the scenes for three years and does not take it for granted. “When you talk to someone who comes on a tour and says, ‘We’ve saved up for years to come here,’ or, ‘My grandma passed away, and it was her dream to come here,’ being a part of those life moments for people is not something that I take for granted,” Stamm said.…