Concerts

CHOPIN WORKS -- 4 p.m. Friday. Performed by Brian Ganz and the St. Mary's College orchestra. They will play Chopin's Krakowski Grande Rondeau de Concert, Opus 14, and the Fantasy on Polish Airs, Opus 13. St. Mary's College of Maryland, Montgomery Hall, Room 25, St. Mary's City. Free. 240-895-4498.

JOYFUL NOISE -- 2 p.m. Sunday. Joyful Noise is a gospel music outreach group of Calvert United Methodist Church. Open to the public. Calvert United Methodist Church, 3235 Leonardtown Rd., Waldorf. Free. 301-934-0334 or 301-645-5247.

Dance

AQUA SQUARE DANCING -- 7:30-9:30 p.m. every Friday. The Aqua Squares Square Dance Club of Calvert County holds a dance at the Southern Community Center, 20 Appeal Lane, Lusby. $5. 410-326-2676 or 301-373-2207.

MERRY-LANDERS SQUARE DANCING -- 7:30-9:30 p.m., every Friday. Dances are held by square dance club the Southern Merry-Landers, at John Hanson Middle School, 12350 Vivian Adams Rd., Waldorf. $5.50; members, $4. 301-893-1974.

Exhibits

"PERSPECTIVES" -- 11 a.m.-6 p.m. Tuesday-Saturday; noon-4 p.m. Sunday, Tuesday through April 27. Hosted by the North End Gallery, works of artistic perspective. All-members show. North End Gallery, 41625 Fenwick St., Leonardtown. Free. 301-475-3130.

SPRING FLING AND GARDEN PARTY -- 8 a.m. Friday. Sponsored by Calvert Memorial Hospital auxiliary. Flowers, plants for sale. Calvert Memorial Hospital, medical office building lobby, Prince Frederick. 410-535-8373.

CLASSIC AND ANTIQUE CAR SHOW -- 10:30 a.m.-4 p.m. Saturday. Includes antique, classic and street rods. Trophies will be awarded to class winners. Dash plaques presented to all participants. Bay Avenue, North Beach. Free. 410-257-6947.

TOUR THE MAC LAB -- held first Friday of each month. Come visit the Maryland Archaeological Conservation Laboratory. The lab is a state-of- the-art research, conservation and collection storage facility that serves as a clearinghouse for collections recovered in Maryland. Jefferson Patterson Park and Museum, St. Leonard. Free. Registration required. 410-586-8550.

For Children

PEEWEE FREE THROW SHOOTOUT -- 5 p.m. Friday. Basketball competition for children 4-7. Southern Community Center, 20 Appeal Lane, Lusby. Free. 410-586-1101.

KICK BUTTS CONCERT AND FESTIVAL -- Noon-4 p.m. Saturday. In celebration of the eighth annual National Kick Butts Day held by the Charles County Maryland Youth Movement Against Tobacco Use. Local bands Nine-Cent Dime, The Hurting Truth, Down Town Singapore and Crucial Image Band will perform. My Brother's Place, Waldorf. $6. 240-606-5222.

SPRING PARTY AND EASTER EGG HUNT -- 2-4 p.m. Sunday. Activities include a jelly bean contest, photos with the Easter bunny, face painting, crafts and door prizes. Village Green Pavilion, Indian Head. Fee charged. 301-743-5574.

TINY TOT TROT -- 10 a.m. Saturday. For children ages 2 and 3. Join a naturalist from Battle Creek Cypress Swamp for "Froggee" program. Laugh with puppets, listen to frog songs and learn about their life. Battle Creek Cypress Swamp, Prince Frederick. Battle Creek Nature Education Society members, $1; nonmembers, $3. Registration required. 410-535-5327 or 800-735-2258 (TDD).

Lectures and Literature

EVENING STORY TIME -- 6:30 p.m. Monday-Thursday. In county libraries to celebrate National Library Week. Southern branch, Lusby, on Monday; Twin Beaches branch, Chesapeake Beach, Tuesday; Prince Frederick branch, Prince Frederick, Wednesday; and Fairview branch, Owings, Thursday. Free. 410-535-0291 or 301-855-1862.

WOMEN TO WOMEN -- 8:30 a.m. Saturday. Sponsored by the Chesapeake-Potomac Home Health Alliance, an alliance of Civista Health, St. Mary's Hospital and Calvert Memorial Hospital. Nationally known humorist Christine Cashen will present "Got Humor? Get Calcium For Your Funny Bone." Workshops cover metabolism, menopause, relationships, hormone replacement therapy, relaxation techniques and cooking with herbs. Select two. Rita Gomez will present "True Womanhood, Our Roots in History." Seated massages, catered luncheon and more than 20 exhibits with products and programs. Southern Maryland Higher Education Center, California. $58. 888-332-4847.

"THE WISHED-FOR COUNTRY" -- 8:15 p.m. today. Wayne Karlin, director of St. Mary's College of Maryland's summer fiction-writing workshops, will read from his newly published book, which deals with the founding period of the Maryland colony during the mid-17th century. A book signing will follow. Open to the public. St. Mary's College of Maryland, Daugherty-Palmer Commons, St. Mary's City. Free. 240-895-4381.

FROGS IN CONCERT -- 1 p.m. Sunday. Enjoy a spring concert by resident frogs. Listen to different species of frogs and discover why the park is a good place for them. Battle Creek Cypress Swamp, Prince Frederick. Battle Creek Nature Education Society members, $1; nonmembers, $3. Registration required. 410-535-5327 or 800-735-2258 (TDD).

Sports and Recreation

ANNUAL RIGHT OF WAY HIKE -- 9 a.m. Saturday. Explore a few miles of the old Chesapeake Beach railway right of way by car and foot. Rain date is April 12. Chesapeake Beach Railway Museum, 4155 Mears Ave., Chesapeake Beach. Free. 410-257-3892 or 301-855-6472.

ARBOR DAY FUN RUN -- 9 a.m. Saturday. Check-in, 8:10-8:45 a.m. For ages 5 and older. Smokey Bear will appear. All preregistrants receive a T-shirt. Hosted by the Forestry Board and Calvert County Parks and Recreation. King's Landing Park, Huntingtown. $8; day of the race, $10. 410-586-1101 or Maryland Relay 800-735-2258.

Theater

"ZARA SPOOK AND OTHER LURES" -- 8 p.m. Friday and Saturday; 4 p.m. Sunday. A comedy in two acts presented by the Twin Beach Players. Story involves three women traveling to the Bass n' Gal fishing championship in New Mexico. Premier Country will provide music on Saturday. Holland Point Civic Center, Holland Point. Advance tickets, $12; at the door, $15; seniors, $10; students, $5. 301-855-0009.

"TALES OF THE ARABIAN NIGHTS" -- 2 and 5 p.m. Sunday. Chesapeake Youth Players present three plays from these ancient stories. Proceeds benefit youth theater. Windy Hill Middle School, Owings. Adults, $8; seniors and students, $5. 410-257-2554.

Miscellaneous

OPEN MIKE NIGHT -- 6 p.m. Friday. For rappers, free-styling welcome. Registration required. Southern Community Center, 20 Appeal Lane, Lusby. Free. 410-586-1101.

POTOMAC RIVER CLEANUP -- 9 a.m.-noon Saturday. Join the Accokeek Foundation in its annual cleanup of more than 100 sites in the watershed from West Virginia to the Chesapeake Bay. Wear boots. Gloves, trash bags and light refreshments will be provided. Rain or shine. National Colonial Farm visitor center, 3400 Bryan Point Rd., Accokeek. Free. 301-283-2113.

ANNUAL EASTER EGG ROLL -- 11 a.m.-2 p.m. Saturday. Sponsored by Friends of Hospice Foundation. Easter egg hunt, photos with the Easter bunny, face painting, crafts and door prizes. Thomas Stone National Historic Site, Port Tobacco. $12. 301-934-1268 or see www.hospiceofcharlescounty.org.

Plan Ahead

KEEPWELL 5K/10K RUN/WALK -- Registration, 7-8 a.m.; race begins, 8:30 a.m. April 12. Sponsored by the Calvert Memorial Hospital Foundation. Refreshments, massages, awards and entertainment for all participants. Solomons Medical Center, Solomons. Preregistration: adults, $20; children 12 and younger, $10. Race day: adults, $25; children 12 and younger, $15. 410-535-8178 or register online at www.calverthospital.com.

NIAGRA FALLS BUS TRIP -- booking deadline is April 11. Three-day trip, May 9-11. Bus departs 3:30 a.m. May 9 from the Hollywood firehouse, Hollywood. $270 per person, double occupancy; $250 per person, triple occupancy; $230 per person, quad occupancy. Price includes deluxe motor coach, snacks, drinks and videos on the bus, room overlooking the falls, breakfast buffet Saturday and Sunday. 301-884-8728 or 301-737-0620.

-- Bonnie Smith

The Southern Maryland Extra Entertainment Calendar lists events as space permits. Mail announcements and photos -- noting date, time, address, cost and phone number -- to Bonnie Smith, Southern Maryland Extra, The Washington Post, 100 N. Oak Ave., La Plata, Md. 20646. You may also e-mail announcements to smithbs@washpost.com or fax them to 301-934-1088. Deadline is 14 days before publication.