The River Kittens’ sound — which the members describe alternately as “raunch folk” and “Americana feels” — hinges on the trio’s tightly rehearsed, soaring three-part vocal harmonies and primitive string-band accompaniments, with the two elements contrasting in always exciting and sometimes unexpected ways.

Tickets: $10 at the door (You can pay $15 and see both the 1/27 and 1/28 show)