Imagine this: you've wandered into a spot in Dublin, maybe the day’s winding down, and suddenly, the whole place is just buzzing. Not a nervous buzz, but that electric crackle in the air that says something amazing is about to kick off. You just feel it, you know? Then it starts. A single fiddle, so clear and bright it could cut glass, slices right through the evening hush. Quick as a flash, a…