This weekend's family event picks are all about free "ahts" and "cultcha." Tonight at 7pm and tomorrow at 4pm, enjoy "A Celebration of the Sea," a concert highlighting Boston's nautical history, featuring Circle of Song, Revels's touring ensemble of adults and children (with special guests, David Coffin, Marshall Hughes, and Milton Wright). Outdoors at the Boston Children's Museum Children's Wharf Park.
And as part of the Rockport Chamber Music Festival, check out Strings and Things! tomorrow at 10am. This interactive performance features Monique Mead and Andres Cardenes (violin), Anne Martindale Williams (cello), David Leisner (guitar), and Marc Ryser (piano). At the Rockport Art Association.