Boston-based Americana duo (Ethan Robbins and Ariel Bernstein) fuses folk, funk and bluegrass for audience in comfortably spaced reserved seats ($10, advance purchase encouraged via www.camdenoperahouse.com) at Camden Opera House, 29 Elm St. plus free Facebook Livestream. Sponsored by Hawthorn Inn. Masks required in the building; doors open 7 p.m.