Offerings range from world-class swank to dark and dingy dens or from places with young Shanghainese kids screaming experimental punk to Filipino cover bands singing "Hotel California" in a hotel basement. Prices range just as wildly.
The Former French Concession is full of small cocktail bars and speakeasies shrouded in varying degrees of secrecy. Farther east, The Bund is also a good place for upscale bars.
Nightlife streets are constantly changing, subject to government regulations, renovation plans, and the like. Just as there is a move to push restaurants into malls, there's also seemingly an initiative to concentrate bars and clubs where possible. Found 158 on Julu Lu on the edge of the Former French Concession is the major example of this, though areas like Xintiandi and Columbia Circle similarly boast clusters of places to go for a drink alongside their restaurants.