Swan song columns don’t depress, but they sure are bittersweet. So it is with this one. Even though the musemeister retires, however, the reporter behind that persona stays on to dig up news.This column space has concentrated mainly on you, the people of Carson City who work and play in arts and culture.Occasionally, I’ve inserted myself to keep things lively, in keeping with an admonition from the best journalistic mentor ever, Dr. Paul B. Snider at Bradley University in central Illinois.“Never do anything always,” the late newsman and professor used to say. He also counseled: “Say it and get it …