MARC-ANDRE HAMELIN -- 8 p.m. Friday. The internationally renowned pianist performs. Joseph and Alma Gildenhorn Recital Hall, Clarice Smith Performing Arts Center, Stadium Drive and Route 197, College Park. $25. 301-405-2787.

GOSPEL CONCERT -- 7-10 p.m. Saturday. Daniel Austin and Divine Adoration, and Gary Mayes and Nu Era perform as part of Omni Entertainment's "Revive Yourself Pre-Easter Gospel Concert." Hallam Theatre, Prince George's Community College, 301 Largo Rd., Largo. Tickets are $15 in advance and $20 at the door. 301-343-9914.

CUBOP -- 7:30 p.m. Saturday. Latin jazz concert. El Palenque Cultural Space, Latin American Folk Institute, 3800A 34th St., Mount Rainier. $10. 301-887-9331.

J. Y. SONG -- 8 p.m. Saturday. Piano concert. Harmony Hall Regional Center/John Addison Concert Hall, 10701 Livingston Rd., Fort Washington. $15; students & seniors, $12. 301-203-6070.

HOMESPUN CEILIDH BAND -- 8 p.m. Saturday. Celtic music from Scotland and Ireland. Greenbelt Arts Center, 123 Centerway, Greenbelt. $10; students & seniors, $8. 301-441-8770.

UNIVERSITY OF MARYLAND SYMPHONY ORCHESTRA -- 3 p.m. Sunday. Students of the School of Music's program in orchestral conducting lead a performance. Dekelboum Concert Hall, Clarice Smith Performing Arts Center, Stadium Drive and Route 197, College Park. Free. 301-405-2787.

For Children

PETER PAN CLUB -- 10:30 a.m.-noon Thursday. Aviation stories, crafts, games and museum exploration for ages 3-5. College Park Aviation Museum, 1985 Cpl. Frank Scott Drive, College Park. Free with museum admission: adults, $4; seniors, $3; ages 18 and younger, $2. 301-864-6029.

NATURE DISCOVERY: ANIMALS IN SPRING TIME -- 1-2 p.m. Thursday. Children 3-5 learn about the habits of animals waking from a long winter's sleep. Mount Rainier Nature and Recreation Center, 4701 31st Pl., Mount Rainier. $2; bi-county residents, $1. 301-927-2163.

SPRING BREAK DANCE -- 6:30-9 p.m. Friday. Dance for ages 6-12. Refreshments will be sold. Potomac Landing Community Center, 12500 Fort Washington Rd., Fort Washington. $6; resident, $5. 301-292-9191.

KITE FLYING IN THE PARK -- 10 a.m.-noon. A kite-flying competition for all ages. Palmer Park Community Center, 7720 Barlowe Rd., Landover. Free. 301-773-5665.

Sports and Recreation

WEIGHT ROOM WORKOUT -- 6:30 a.m.-10 p.m. Monday-Friday, 9 a.m.-7 p.m. Saturdays and Sundays. Exercise to music, for adults. Kettering/Largo Community Center, 431 Watkins Park Dr., Upper Marlboro. $30 per week; bi-county residents, $15 per week. 301-390-8390.

MARYLAND SADDLE ASSOCIATION HORSE SHOW -- 8 a.m. Saturday and Sunday. Regional hunter/jumper horse show in the outdoor rings. Show Place Arena, 14900 Pennsylvania Ave., Upper Marlboro. Free. 301-952-7999.

BIRD WATCHING -- 8-10 a.m. Saturday. A park naturalist leads a hike of spring migrants along the Anacostia River. Binoculars provided. Beginners and advanced birders of all ages welcome. Bladensburg Waterfront Park, 4601 Annapolis Rd., Bladensburg. $3; bi-county, $2. 301-779-0371.

DROP-IN AEROBICS -- 10 a.m.-1 p.m. Saturday. Drop-in aerobics session for ages 18 and older. William Beanes Community Center, 5108 Dianna Dr., Suitland. $2; nonresident, $1. 301-568-7719.

AN EVENING WETLAND ADVENTURE -- 7-8:30 p.m. Saturday. A naturalist leads a stroll through Cheltenham Wetlands Park. Clearwater Nature Center, 11000 Thrift Rd., Clinton. $2; bi-county, $1. Reservations, 301-297-4575.

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

AQUA KICKBOXING -- 7-7:45 p.m. Tuesdays. Underwater kickboxing class for ages 18 and older. Glenarden/Theresa Banks Complex pool, 8615-A McLain Ave., Glenarden. $6; bi-county residents, $5. 301-772-5515.


INTERVENTION -- 8 p.m. Saturday. Modern dance works by Renee Brozic, Meredith Exler and Sarah Seely. Joe's Movement Emporium, 3804 38th St., Mount Ranier. Adults, $12; students, $10; ages 16 and younger, $6. 301-699-1819.

Lectures and Literature

"BLACK, COPPER & BRIGHT: D.C.'S BLACK CIVIL WAR" -- 7 p.m. Tuesday. C.R. Gibbs, who specializes on subjects relating to the African Diaspora, gives a lecture. Spauldings Library, 5811 Old Silver Hill Rd., District Heights. Free. 301-817-3750.

"PEOPLE AND POWER IN THE EARLY FEDERAL CITY" -- 7:30 p.m. Tuesday. Historical expert Jeanne Fogle gives a lecture as part of the "Riversdale -- Images of the Times: Legacies and Links to the University of Maryland" lecture series. Riversdale House Museum, 4811 Riverdale Road, Riverdale Park. $5. 301-864-0420.


MICHAEL SELLMEYER -- Through April 18. Abstract works on display. Greenbelt Arts Center, 123 Centerway, Greenbelt. Free. 301-441-8770.

JON T. MILLER -- Through April 27. Digital photography. Montpelier Cultural Arts Center, 12826 Laurel-Bowie Rd., Laurel. Free. 301-953-1376.

"CANVAS STRETCHED" -- Through April 30. Former Montpelier resident artist Mary Hourihan Lynch exhibits large canvas structures that are both sculptures and paintings. Main Gallery, Montpelier Cultural Arts Center, 12826 Laurel-Bowie Rd., Laurel. 301-953-1993.

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

"PICTURING VICTIMS AND PATRIOTS: PHOTOGRAPHS FROM THE DEPRESSION AND WORLD WAR II" -- Ongoing. Photographs illustrating New Deal social welfare programs. Photographers include Gordon Parks, Walker Evans, Marion Post Wolcott, Russell Lee, Arthur Rothstein and John Vachon. Greenbelt Museum, 15 Crescent Rd. Free. 301-507-6582.

"THE FORGOTTEN WAR REMEMBERED: AMERICA AND THE KOREAN WAR" -- Ongoing. Includes 20 photographs chronicling the war, from the growing tensions during the late 1940s through the signing of the armistice in 1953. National Archives at College Park, 8601 Adelphi Rd. Free. 301-713-6800.


ARTISTS' RECEPTION -- 7-9 p.m. Friday. Reception for the artists exhibiting at Montpelier Cultural Arts Center, including Suzanne Herbert-Forton, Jon T. Miller and Mary Hourihan Lynch. Montpelier Cultural Arts Center, 12826 Laurel-Bowie Rd., Laurel. Free. 301-953-1993.

JOHN WILKES BOOTH ESCAPE ROUTE TOUR -- 7:30 a.m.-7:30 p.m. Saturday. Follow the trail of President Abraham Lincoln's assassin from the Surratt House Museum to Port Royal, Va., on a narrated tour. Surratt House Museum, 9118 Brandywine Rd., Clinton. $50. Reservations, 301-868-1121.

"MARCHING THROUGH TIME" -- 11 a.m.-5 pm. Saturday and Sunday. Multi-period living history encampment with reenactors demonstrating camp life, cooking, tactical moves, military and civilian life, from first-century Romans through World War II. Merchants in period costumes will display and sell their wares. Food will be available. Marietta House Museum, 5626 Bell Station Rd., Glenn Dale. Adults, $5; ages 4-18, $2; ages 3 & under, free. 301-464-5291.

COLONIAL TAVERN DINNER -- 7:30-9:30 p.m. Saturday. Dinner in the atmosphere of a mid-18th century tavern followed by period music by Ship's Company, whose members re-create songs of 18th-century sailors. Ages 10 and older. Darnall's Chance House Museum, 14800 Governor Oden Bowie Dr., Upper Marlboro. $65; bi-county, $55. Reservations, 301-952-8010.

Prince George's Extra Weekend section lists events as space permits. Mail notices noting date, time, address, cost and phone number to Weekend Section, The Washington Post, 14402 Old Mill Rd., Upper Marlboro, Md. 20772. The deadline is 10 days before publication date.