Jazz singer/guitarist Andrea Carlson, with percussionist David Bopdrummer, offers a variety of standards, French chanson, and well-crafted originals at Camden Opera House, 29 Elm St. Choose-your-own socially distanced reserved seats ($10, advance purchase encouraged) via www.camdenoperahouse.com or 236-3154) plus free Facebook Livestream. Masks encouraged in the building. Sponsored by Camden Maine Stay Inn.