New York City's famed Attaboy is one of the bars credited with the entire modern craft-cocktail movement – its cocktails are accorded near mythological status by connoisseurs. The minimalist speakeasy-style East Nashville iteration of this tipple lab concocts flat-rate ($15), off-the-cuff creations, chilled with block ice. There's no menu – drinks are personalized.
The best seat in the house is the curtained-off, reservation-only room, with its arched ceiling and low-slung banquettes.