467 S. La Brea Ave., 213.934.5418 / Venerable rockabilly club with a musician's-musician crowd and a cool-but-casual atmosphere that inspires impromptu jams with guests of wildly divergent credibility, from Tom Waits and Mick Jagger to Billy Idol. And on Sundays K.K. opens things up for the acid jazz of Brass, with appearances by hot acts like the Brand New Heavies and Digable Planets.