Kieran Hebden and Steve Reid

Who’d have thought an improv klatch between Four Tet’s resident knob-twiddler and a storied jazz drummer could yield something so aurally stunning, so open-ended and trippy? And yet here the players’ styles collide and mesh nicely, a crowded but comfortable sprawl of steel-drum patter and undulating, wailing electronics goaded into potent, jazz-jam magma.