Concerts

BARBERSHOP BLUEGRASS BAND -- 2 p.m. Saturday. Performance by the bluegrass group. Town Green Park, 13050 Ninth St., Bowie. Free. 301-809-3078.

BAYWINDS BAND -- Beginning at sunset Sunday. Performance by the concert band in conjunction with the Bowie Elks Flag Day ceremony. Town Green Park, 13050 Ninth St., Bowie. Free. 301-809-3078.

NATIONAL ORCHESTRAL INSTITUTE -- 8 p.m. Saturday. Performance by the classical ensemble. Clarice Smith Performing Arts Center, Dekelboum Concert Hall, on the University of Maryland campus at University Boulevard and Stadium Drive, College Park. $20; students $7. 301-405-2787.

DEON CLARK & CLEAN CUT AND THE INTERNATIONALS II -- 8 p.m. Saturday. Dance open to those 18 and older, featuring performances by the oldies bands. Tucker Road Community Center, 1771 Tucker Rd., Fort Washington. $8. 301-248-4404.

U.S. NAVY SEA CHANTERS -- 7 p.m. Sunday. Performance by the vocal ensemble. Bladensburg Waterfront Park, 4601 Annapolis Rd., Bladensburg. Free. 301-779-0371.

For Children

PUPPET SHOW -- 2 p.m. Thursday. Program for children 2 and older includes a nature-themed craft. Watkins Nature Center, 301 Watkins Park Dr., Upper Marlboro. Reservations, $3. 301-218-6702.

"MUPPET TREASURE ISLAND" -- 10 a.m. Saturday. Screening of the 1996 feature film, the Muppets' twist on Robert Louis Stevenson's classic tale, will be preceded by a show by Noland's Magic. The Publick Playhouse, 5445 Landover Rd., Cheverly. $5. 301-277-1711.

BELAIR MANSION HANDS-ON HISTORY DAY -- noon to 4 p.m. Sunday. Children's event features educational, Colonial-themed activities and games. Belair Mansion, 12207 Tulip Grove Dr., Bowie. Free. 301-809-3089.

Lectures

And Literature

VICTORIA CHRISTOPHER MURRAY -- 6:30 p.m. Thursday. Discussion with the author of "Grown Folks Business." The Mall at Prince George's, Karibu Books, 3500 East-West Hwy., Hyattsville. Free. 301-559-1140.

JUDE ANDREASEN AND CLEVE OVERTON -- 6:30 p.m. Friday. Discussion with the authors of "Creative Recycling Handmade in Africa." Bowie Town Center, 15624 Emerald Way, Bowie. Free. 301-352-4110.

JIHAD -- 6:30 p.m. Friday and 5 p.m. Saturday. Discussion with the author of "Street Life." Friday: Iverson Mall, Karibu Books, 3817 Branch Ave., Hillcrest Heights. Free. 301-899-3730. Saturday: The Mall at Prince George's, Karibu Books, 3500 East-West Hwy., Hyattsville. Free. 301-559-1140.

MARCIA "DENRIQUE" PREUDHOMME -- 2 and 5 p.m. Saturday. Discussion with the author of "Stranger Than Fiction." 2 p.m.: Centre at Forestville, Karibu Books, 3283 Donell Dr., Forestville. Free. 301-736-8853. 5 p.m.: Iverson Mall, Karibu Books, 3817 Branch Ave., Hillcrest Heights. Free. 301-899-3730.

SHAHIDA T. FENNELL -- 6:30 p.m. Tuesday. Discussion with the author of "The Lies Hustlers Never Tell." Centre at Forestville, Karibu Books, 3283 Donell Dr., Forestville. Free. 301-736-8853.

Theater and Dance

"LEND ME A TENOR" -- 8 p.m. Friday and Saturday. Laurel Mill Playhouse performs Ken Ludwig's comedy. Laurel Mill Playhouse, 508 Main St., Laurel. $12.50; students and seniors $10. 301-617-9906.

"PROOF" -- 8 p.m. Fridays and Saturdays, 2 p.m. Sundays, through June 18. Prince George's Little Theatre performs David Auburn's play. Prince George's Publick Playhouse, 5445 Landover Rd., Cheverly. $10; seniors and children 18 and younger $8. 301-277-1710.

"OVER THE RIVER AND THROUGH THE WOODS" -- 8 p.m. Fridays and Saturdays, through June 25. Greenbelt Arts Center performs the comedy by Joe DiPietro. Greenbelt Arts Center, 123 Centerway, Greenbelt. $12; seniors and students $10. 301-441-8770.

"DAMN YANKEES" -- 8 p.m. Fridays and Saturdays, 3 p.m. Sundays, through June 26. 2nd Star productions performs the musical comedy, about the Washington Senators' efforts to beat the New York Yankees. Whitemarsh Park, Bowie Playhouse, Route 3 and Whitemarsh Park Drive, Bowie. $17; students and seniors $14. 301-858-7245.

"OUR AMERICAN COUSIN" -- 8 p.m. Mondays, through June 27. New Old Theater performs the comedy by Tom Taylor -- remembered mainly as the play that Abraham Lincoln was watching when he was assassinated -- by candlelight. Snow Hill Manor, 13301 Laurel-Bowie Rd., Laurel. $15; students and seniors $10; children 5 and younger $5. 301-725-6037.

PALMER PARK DANCERS -- 2 p.m. Sunday. The troupe's 20th annual recital. Tawes Theater, on the University of Maryland campus at University Boulevard and Adelphi Road, College Park. $12. 301-773-5665.

Recreation

And Exercise

DROP-IN WATER AEROBICS -- 7:30-8:30 p.m. today and Tuesday. Water exercise class open to those 18 and older. Glenarden/Theresa Banks Complex, 8615-A McLain Ave., Glenarden. $7; seniors $6. 301-772-5515.

RIVER ECOLOGY BOAT TOUR -- 2 p.m. Sunday. A park naturalist leads a pontoon ride down the Patuxent River. Patuxent River Park, 16000 Croom Airport Rd., Upper Marlboro. Free. Reservations, 301-627-6074.

CHESAPEAKE BAY CRITICAL-AREA DRIVING TOUR -- 10 a.m.-3 p.m. Sunday. Self-guided, four-mile driving tour includes interpretive stops, an observation tower and a timber bridge over park wetlands. Patuxent River Park, 16000 Croom Airport Rd., Upper Marlboro. Free. 301-627-6074.

Exhibitions

"MORE THAN WORDS" -- Through June 18. New paintings by Ed Bisese. Harmony Hall Regional Center, Main Gallery, 10701 Livingston Rd., Fort Washington. Free. 301-203-6070.

MIKE SHAFFER -- Through Aug. 19. Works from the painter's "Line Paintings" series. Montpelier Cultural Arts Center, Library Gallery, 12826 Laurel-Bowie Rd., Laurel. Free. 301-953-1993.

"EMERGING SCULPTORS" -- Through Aug. 21. The Montpelier Cultural Arts Center's 24th annual invitational sculpture exhibition. Montpelier Cultural Arts Center, Main Gallery, 12826 Laurel-Bowie Rd., Laurel. Free. 301-953-1993.

"140 YEARS AGO: THE CRIME OF THE CENTURY" -- Through Nov. 27. Photos, maps and memorabilia related to John Wilkes Booth's assassination of Abraham Lincoln and escape through southern Maryland. Surratt House Museum, 9110 Brandywine Rd., Clinton. $3; seniors $2; children 5-18 $1; children 4 and younger free. 301-868-1121.

"WISH YOU WERE HERE: POSTCARDS OF LAUREL" -- Ongoing. Postcards from the turn of the 20th century to today depict Laurel's history as well as the evolution of postcards. The Laurel Museum, 817 Main St., Laurel. Free. 301-725-7975.

"LIVING THE HEALTHY LIFE: SPORTS, HEALTH AND FITNESS IN THE NEW DEAL ERA" -- Ongoing. Chronicle of the evolution of health and fitness awareness during the 1930s and 1940s. Greenbelt Museum, 15 Crescent Rd., Greenbelt. Free. 301-507-6582.

RADIO PREMIUMS -- Ongoing. Memorabilia related to radio serials of the 1930s, '40s and '50s, including "Radio Orphan Annie," "Buck Rogers in the 25th Century" and "Captain Midnight." Radio-Television Museum, 2608 Mitchellville Rd., Bowie. Free. 301-390-1020.

"THE FORGOTTEN WAR REMEMBERED: AMERICA AND THE KOREAN WAR" -- Ongoing. Includes 20 photographs documenting the war, from growing tension during the late 1940s through the signing of the armistice in 1953. National Archives at College Park, 8601 Adelphi Rd. Free. 866-272-6272.

Miscellaneous

CUSTOM CAR AND TRUCK SHOW -- 10 a.m. to 3 p.m. Saturday. Custom, antique and muscle cars and trucks. Tucker Road Community Center, 1771 Tucker Rd., Fort Washington. Free. 301-248-4404.

PALMER PARK DAY -- noon to 4 p.m. Saturday. Food, games and entertainment. Palmer Park Community Center, 7720 Barlowe Rd., Landover. Free. 301-773-5665.

NEW CARROLLTON DAY -- noon to 6 p.m. Saturday. Arts and crafts exhibitions, food, live entertainment and games. Good Luck Community Center, Beckett Field, 8601 Good Luck Rd., Lanham. Free. 301-552-1093.To Submit an Item

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