River Concert

Enjoy Broadway tunes along the banks of the St. Mary's River on Friday in the fifth of a summer series of outdoor concerts hosted by St. Mary's College of Maryland featuring the Chesapeake Orchestra, under the direction of Jeffrey Silberschlag. The theme of this concert is "Bernstein! Psalms and Songs," highlighting the songs of Leonard Bernstein with excerpts from "Candide" and "Chichester Psalms," the balcony scene from "West Side Story" and an array of other Broadway classics. Christiane Noll and Doug LaBrecque perform with trombonist Bryan Bourne, the St. Mary's College Chamber Singers and guest conductor Larry Vote. The grounds open at 5 p.m.; food vendors, fine arts and crafts, children's books and balloons will be along the Avenue of the Arts. The free concert starts at 7 p.m. on the Townhouse Green of St. Mary's College of Maryland, 18952 E. Fisher Rd., St. Mary's City. 240-895-4191.

SharkFest!

This annual family event held at the Calvert Marine Museum provides many hands-on activities while teaching about the "great guardian of the deep." Events include fossil identifications, fossil prep lab demonstrations, craft activities, rowboat and canoe rides, shark mural painting, face painting, creation of shark buttons, mini-fin toss and feed-the-shark games. Exhibits include "Treasures From the Cliffs," featuring a full-size skeletal reconstruction of a Megatooth white shark. Museum admission is required (adults, $7; seniors age 55 and older, $6; ages 5-12, $2; 4 and younger and CMMS members, free); some activities require an additional fee. A food court is on-site. 10 a.m.-5 p.m. Saturday, Calvert Marine Museum, 14150 Solomons Island Rd., Solomons. 410-326-2042, Ext. 32, or www.calvertmarinemuseum.com.

Seafood and Song

The Potomac Jazz and Seafood Festival, an annual riverside event, features three jazz groups and an array of Southern Maryland seafood on the lawn of the St. Clement's Island-Potomac River Museum at Coltons Point. The event begins at 4 p.m. Saturday with the Latin jazz group Afro Bop Alliance, a seven-member band from Annapolis performing Caribbean rhythms. At 6 p.m., Baltimore's David Bach Consort -- recipient of a 2004 Maryland State Arts Council Artist Award -- takes the stage, followed at 8 p.m. by recording artists Bona Fide, featuring Slim Man. Food offerings include crab cakes, fried oysters, steamed shrimp, soft-shell crab sandwiches and desserts prepared by Thompson's Seafood Catering, Lenny's Restaurant and Nook & Monks Restaurant. Attendees should bring blankets and lawn chairs. Coolers will not be permitted. Admission fee does not include food, beer and other beverages but does provide admission to the museum and water taxi service to St. Clement's Island, weather permitting. In advance, $30; at the gate, $35; age 12 and younger, free. Tickets available at 301-769-2222 or online at www.stmarysmd.com/recreate/museums.

The Potomac Jazz and Seafood Festival will be held Saturday at the St. Clement's Island-Potomac River Museum.