Nashville singer/songwriter performs in the intimate third-floor space as a benefit for Camden-Rockport Middle School’s Japan Exchange. Limited tickets ($35) and seating (doors open 7 p.m.); cash bar by 40 Paper, baked goods by parents. Tickets at camdenoperahouse.com. Local opener: Bella Barnes. NOTE: as of 2 p.m. show date, online sales have ended; remaining tickets will be sold at the door.