Concerts

PIANO TRIO -- 8 p.m. Saturday. "The Gemini Trio" will perform a concert based on European and American folk music. This is part of the Unitarian Universalist Chalice Series. A pre-concert informal performance will begin at 7:15 p.m. Owen Brown Interfaith Center, 7246 Cradlerock Way, Columbia. $18; $15 in advance; $10 for students. 410-381-0097.

ORGAN CONCERT -- 3 p.m. Sunday. George Batman, the organist at the Sunnybrook Ballroom in Pottstown, Pa., for 27 years, will perform. Presented by the Free State Theatre Organ Society. Rice Auditorium, Spring Grove Hospital Center, Catonsville. Free. 410-592-9322.

PIANO RECITAL -- 4 p.m. Sunday. David Wasser, an award-winning pianist, will perform Beethoven's "Moonlight Sonata," Schubert's Impromptus and etudes by Liszt. Smith Theatre, Howard Community College, 10901 Little Patuxent Pkwy., Columbia. Free. 410-772-4510.

Dance

DANCES OF UNIVERSAL PEACE -- The Dances of Universal Peace are meditative and joyous circle and partner dances that use sacred phrases, music and movements from many spiritual traditions. Beginners, singles and children are welcome. All dances are taught. Meeting room of Howard County Public Library, Glenwood Branch, 2350 Route 97, Cooksville. Free. For times, dates and other information, call 410-489-7981.

Exhibitions

"ELLICOTT CITY PAINTINGS" -- 11 a.m.-6 p.m. today-Sunday. Works by members of the Washington Society of Landscape Painters, including Liz Donovan, Mike Heylin, Mary Kokoski, Bernard Dellario and Jean Brinton Jaecks. Andrei Kushnir Michele Taylor American Painting Gallery, 8289 Main St., Ellicott City. Free. 410-465-4467.

"WORLD WAR II: THE HOMEFRONT" -- 11 a.m.-4 p.m. Fridays and Saturdays, noon-5 p.m. Sundays, through Nov. 20. At the B&O Railroad Station Museum, Main Street and 2711 Maryland Ave., Ellicott City. $5; students and seniors, $4; children 3-12, $3; 2 and younger, free. 410-461-1944 or www.ecbo.org.

MIXED MEDIA EXHIBIT -- 9 a.m.-9 p.m. Monday-Thursday, 9 a.m.-5 p.m. Friday, 9 a.m.-2 p.m. Saturday, through Nov. 10. The Olney Art Association, which includes specialiists in oils, watercolors, acrylic, printmaking, pen and ink, wood cuts, sculpture, ceramics and photography, presents a multimedia exhibit. Slayton House Gallery, Wilde Lake Village Green, Columbia. 410-730-3987 or 301-596-4883.

ELLICOTT CITY PHOTOS -- Noon-5 p.m. Saturday. Results from a recent amateur photography contest will be displayed at the Ellicott City Fall Arts Festival. CentreTek, 8307 Main St., Ellicott City. Free. 410-247-9252.

"STILL IN THE MOMENT" -- 8 a.m.-7 p.m. Monday-Thursday, 8 a.m.-5 p.m. Friday, through Nov. 8. Exhibition of photographs by Annapolis artist Celia Pearson. Tai Sophia Institute campus, 7750 Montpelier Road, Laurel. 410-888-9048 for more information.

For Children

LIVELY ARTS FOR LITTLE ONES -- 10 a.m. and 1 p.m. tomorrow. This series of performances, which introduces children to arts, begins with "Follow Your Imagination," songs and stories from Sue Trainor. The shows are suited for ages 2-5 and their caregiver. Oakland Mills Community Association, the Other Barn, 5851 Robert Oliver Place, Columbia. $4.50 for ages 2 and older. Discount rates available for groups and subscription. 410-730-4610 or 301-596-5237.

SPECIAL SCHOOL'S OUT PERFORMANCE -- 10:00 a.m. and 1 p.m. Oct. 21. With Howard County schools closed this day, children can take in the outlandish humor of Pete Geist, a visual comedian. Ages 2 and older. Rainbow Theatre, Wilde Lake Village Center, Columbia. $5.50; $4.50 in advance. Group rates available. Advance ticket purchase strongly recommended. 410-730-3987.

Sports

And Recreation

ELKRIDGE TRAIL RUN -- 9:30 a.m. Oct. 22. This 5K event features open field funning, hill climbs, stream jumping and wood trails. Prizes will be awarded to top finishers in several categories. Check-in time, 8-9:15 a.m., Rockburn Branch Park, 6145 Montgomery Rd., Elkridge. Registration, $20; advance registration, $15. 410-313-4711 or www.hcrpsports.com.

Theater

"AIDA" -- 6 p.m. Tuesday-Saturday, 5 p.m. Sunday, 10:30 a.m. Wednesday and Sunday, through Nov. 20. A love story, with music by Elton John and Tim Rice. Toby's Dinner Theater, 5900 Symphony Woods Rd., Columbia. $41-$46; 12 and younger, $27.50-$46. Includes dinner or brunch buffet. 410-730-8311 or www.tobysdinnertheater.com.

Miscellaneous

GHOST TOURS -- Friday and Saturday, through November. Walking tour of historic Ellicott City includes tales of spirits said to have haunted businesses. Sponsored by Howard Tourism Council. Visitor Information Office, side entrance, Main Street, Ellicott City. $8; seniors and children, $6. Reservations recommended. 800-288-8747 or ghosts@visithowardcounty.com.

PATAPSCO CLEANUP -- 8:45 a.m. Saturday. The Friends of the Patapsco Female Institute will hold its fall cleanup. Participants are encouraged to wear sturdy shoes and bring work gloves, shovels, rakes and garden tools. Meet at Mount Ida, the visitors center for the institute, 3691 Sarah's Lane, Ellicott City. 410-465-8500.

To Submit an Item

E-mail: hocoextra@washpost.com

Fax: 410-772-2330

Mail: Entertainment Calendar, Howard Extra, 10490 Little Patuxent Pkwy., Suite 650, Columbia, Md. 21044

Details: Events are published weekly on a space-available basis. Items must note date, time, address, cost and a publishable phone number. Photos may be included. Deadline is 14 days before publication.