Pirate-themed folk music trio combines accordion, voices, banjo and guitar in safely distanced 45-seats/one-set-only concert at Camden Opera House, 29 Elm St. Tickets $10, via camdenoperahouse.com. Sales end 3:30 p.m.; doors open 7 p.m., safety protocols (face coverings required) in place. All seats are assigned, on a first-purchased/first-assigned basis. Sponsored by Camden Maine Stay Inn. Donations to Community Arts Fund appreciated. Show also will be livestreamed free on opera house's Facebook page.