Critics effuse about The Bad Plus being “highbrow”—but then some of us maintain that Nirvana was just that, too. So when this experimental jazz trio covers “Lithium,” it’s not a contrast of peaks and valleys, of low meets high, but just an audacious idea perfectly executed; the troupe skips merrily around time signatures and genres, updating Stravinsky and Pink Floyd with intrepid flair—straight, no gimmick.

Fri., Jan. 1, 9 & 11 p.m., 2010