Boston-based sibling band, New England Music Awards’ 2021 Americana Act of the Year, brings their honest and genre- defying music to the Camden Opera House, 29 Elm St. Maine’s Caroline Cotter will open. Choose-your-own reserved tickets are $20 in advance, $26 day of show. Doors open 7 p.m.; masks required in the building. Tickets and FMI: www.camdenoperahouse.com, (207) 236-3154.