MATT DARRIAU’S PARADOX TRIO (Thursday) In addition to Mr. Darriau — on clarinet and saxophones as well as kaval (an end-blown flute) and gaida (a kind of bagpipe) — this exuberant Bulgarian-improv band features Brad Shepik’s guitars, Rufus Cappadocia’s cello and Seido Salifoski’s hand drums.