Dining Outside the Home: Nashville Underground in Nashville, Tennessee! Multi-level rooftop bars are kind of a thing on historic Broadway in downtown Nashville. People flock like pigeons to perch overhead and watch the action. It’s contagious, that’s for sure. Live music, locally-sourced ingredients, and 29° draft beers are the draw. For the adventure-seekers, ride the mechanical bull, dance the night away, or relax on the real green grass rooftop. Nashville Underground is something to talk about. You won’t want to miss out.