Underground Wonder Bar   

It's smoky. It's small. And it's a little seedy. But this late-night Gold Coast club -- similar to New York's Blue Note Lounge -- showcases solid talent seven nights a week, 365 days a year. The artists, many of whom perform at the more mainstream venues like Green Dolphin Street and Jazz Showcase, come here to show off their creative sides, from avant garde to experimental excursions to bluesy beats. Guests pile in at the bar or squeeze into the tight booths and tables and listen intently to the duos, trios or quartets onstage, which sometimes include bar owner Lonie Walker or staffers. Underground's late hours also attract visiting celebrity musicians such as Steve Winwood, Mary J. Blige and D'Angelo, who've been known to jam with the band. -- Audarshia Townsend