Black & White Ball
Ritz-Carlton Hotel, 15 Arlington St., Boston. 617-536-9640. 2/26: 8 p.m.-1 a.m. $75 advance, $85 at door. Silent auction, complimentary glass of champagne, music by the Ritz Roof Orchestra. Proceeds to the Junior League of Boston.

George Bozeman, korgan organ
First Congregational Church, 322 Main St., Woburn. 781-933-1642. 2/27: 3 p.m. Suggested donation $10, students and seniors $8 to benefit organ restoration fund. Works by J.S. and C.P.E. Bach, Mendelssohn, Franck, Brahms, Bartok, Thayer on 1860 E.G. & G. Hook organ, opus 283.

Belmont Open Reading
Payson Park Church, 365 Belmont St., Belmont. 617-484-4696, ext. 19. 2/27: 7:30 p.m. $6, students and seniors $4. Jane Flummerfelt conducts Haydn's The Seasons, open reading with soloists and orchestra. Singers welcome. Sponsored by Powers Music School.

Museum of Our National Heritage
33 Marrett Rd., Lexington. 781-861-6559. 2/27: 2 p.m. $6. Circle of Song performs early American music.

Ruddigore
Lincoln-Sudbury Regional High School, 390 Lincoln Rd., Sudbury. 978-443-8811. 2/25-2/26 8 p.m., 2/27 4 p.m., 3/2-3/3 8 p.m., 3/4 2 and 8 p.m. $15, students and seniors $11, discounts for advance purchase; proceeds benefit world hunger. Sudbury Savoyards production of Gilbert & Sullivan operetta.CHAMBER MUSIC& RECITALS

Jazz Tap Jam
Arlington Center for the Arts, 41 Foster St., Arlington. 781-863-5098. 2/27: 6 p.m. beginners' jam for new improvisers; 7 p.m. circle jam, solo improvisers. Suggested donation $5. Jamie Larowitz Sherman, host; live music.

Georgia Mass Choir
Zeiterion Theatre, 684 Purchase St., New Bedford. 508-994-2900. 2/27: 3 p.m. $11, $17, and $22.

At Bedford Town Center
Mudge Way, Bedford. 781-275-3207. 2/27: 2 p.m. Free. Guest speaker: Walter L. Sanders, former WBZ-TV reporter and Massachusetts AARP, state president; gospel selections by The God Squad. Refreshments. Sponsored by The Concerned Black Citizens of Bedford (CBCB) Inc.

Matapat
Grace Episcopal Church, Rodman Hall, New Bedford. 508-997-0046, ext. 34. 3/3: 8 p.m., $12. Trio from French Canada. Presented by the New Bedford Whaling Museum Music Through Time Series.

Georgia Mass Choir
Zeiterion Theatre, 684 Purchase St., New Bedford. 508-994-2900. 2/27: 3 p.m., $11-$22. Gospel choir featured in the movie The Preacher's Wife.

Circle of Song
Museum of Our National Heritage, 33 Marrett Rd., Lexington. 781-861-6559. 2/27: 2 p.m., $6. Early American music to mark the final day of George Washington exhibit.

Decorative Arts and Antiques Show
Castle at the Park Plaza Hotel, 64 Arlington St., Boston. 877-346-KIDS. 2/25-2/26: 11 a.m.-8 p.m., 2/27: 11 a.m.-4 p.m. $10. Antiques, fine and folk art, paintings, collectibles, etc. Proceeds to the Boys & Girls Clubs of Boston.

Boston University Mugar Library,
771 Commonwealth Ave., 5th Fl. 617-353-3697. Mon-Fri. 9 a.m.-5 p.m. Ongoing: Two exhibits in honor of Black History Month, Howard Thurman: A Centenary Tribute honors the late dean of the chapel at BU; and Abraham Lincoln: Through His Boston Collectors includes 150 objects related to his life and times.808 Commonwealth Ave., Boston. 617-358-0922. Tues.-Fri. 10 a.m.-5 p.m., Sat.-Sun. 1-5 p.m. 3/3-4/2: recent paintings and prints by Neil Welliver. 3/2: 5-8 p.m., reception. Through 2/24: Orbit: NASA Astronauts Photograph the Earth; Celestial Images: Astronomical Charts, 60 examples of early charts.855 Commonwealth Ave. 617-353-3329. Tues.-Fri. 10 a.m.-5 p.m., Sat.-Sun. 1-5 p.m. 3/3-4/9: Josef Albers in black and white. 3/2: 5-8 p.m. reception. Through 2/24: Mapping Cities, chronicles Jerusalem, Rome, Paris, Amsterdam, London, New York, and Boston.

Belmont Hill School
Landau Gallery, 350 Prospect St., Belmont. 617-484-4410. Mon.-Fri. 8 a.m.-5 p.m. Through 3/10: Abstract landscapes in clay and fiber by Dan Wiener and Jeanne Williamson.

Beaver Country Day School
Lincoln Gallery, 791 Hammond St., Chestnut Hill. 617-734-6950. Mon.-Fri. 8:30 a.m.-4 p.m. Through 2/25: Figure drawings by Jon C. Lundell.

Winchester Public Library
80 Washington St., Winchester. 781-721-7171. Mon.-Thurs. 9:30 a.m.-9 p.m., Fri.-Sat. 9:30 a.m.-5:30 p.m. Through 2/29: Pastel still lifes by Charles J. McCarthy.SCHOOLS & COLLEGES

Lexington Arts and Crafts Society
65 Water St., Newburyport. 978-465-8769. Tues.-Sun., noon-5 p.m. 2/26-3/8: Budding Artist Exhibit, artwork by middle school children ages 10-14. 2/27: 3-5 p.m. reception.

Gallery X
169 William St., New Bedford. 508-992-2675. Wed.-Sun. 11 a.m-3 p.m. Through 3/4: Love ... Be Still My Beating Heart, entire membership show.

Depot Square Gallery
1837 Mass. Ave., Lexington. 781-863-1597. Tues.-Sat. 10 a.m.-5:30 p.m., Sun. noon-4 p.m. Through 2/27: Inner Landscapes, mixed media by Sirarpi Heghinian Walzer. nu

Clark Gallery
145 Lincoln Rd., Lincoln. 781-259-8303. Tues.-Sat. 10 a.m.-5 p.m. Through 2/24: Putting Down Roots, Ilana Manolson; Vessels, Bruce Barry.

Arlington Center for the Arts
Gibbs Gallery, 41 Foster St., Arlington. 781-648-6220. Mon.-Fri. 9 a.m.-6 p.m. Through 3/24: Females You Can Only Imagine, Joan Baldwin, Mary Craig McLane.

Rotch-Jones-Duff House and Garden Museum
396 County St., New Bedford. 508-997-1401. Tues.-Sat. 10 a.m.-4. $4, seniors $3, children $2. Greek revival mansion built in 1834 for whaling merchant William Rotch Jr.

Orchard House
399 Lexington Rd., Concord. 978-369-4118. Mon.-Fri. 11 a.m.-3 p.m., Sat. 10 a.m.-4:30 p.m., Sun. 1-4:30 p.m. $6, seniors and college students $5, ages 6-17 $4, under 6 free. Guided tours of the home of the Alcotts, including Little Women author Louisa May Alcott.

Historic Gore Estate
52 Gore St., (off Rte. 20), Waltham. 781-894-2798. Open by appointment through 4/15. $5, seniors and students $4, children ages 5-12 $3, under 5 free. Federal brick mansion built in 1805; 45 acres of lawns, gardens, and farm fields.

Dom V and the Swing Out Big Band
Winchester Town Hall, 71 Mt. Vernon St. 617-520-3353. 3/4: 8:30 p.m., $10. Free swing dance lesson, 7:30 p.m.

Swing into Spring with The Fantasy Big Band
Woburn Elks Hall, 295 Washington St., Woburn. 781-665-2236. 3/4: 7 p.m., $35 includes Chinese buffet dinner. Proceeds benefit Northeast Youth Ballet. Kent Kochon, director, Ron Lewis, conductor.

Jazz Tap Jam
Arlington Center for the Arts, 41 Foster St., Arlington. 781-863-5098. 2/27: 6 p.m, Beginners' Jam; 7 p.m., Circle Jam/Solo Improvisors, $5 suggested donation. Hosted by Jamie Larowitz Sherman with Mark Kross, piano, and Dave Whitney, trumpet.

Ritz-Carlton Hotel
15 Arlington St. 617-536-5700. No cover. Proper dress.Ritz Bar: Mon.-Sat. 6-11:30 p.m., pianist John Domurad.Ritz Lounge: Fri.-Sat. 9:30 p.m.-12:30 a.m., Ron Zack Trio.

Linwood Grill
69 Kilmarnock St. 617-267-8644. Casual dress. Entertainment from 10 p.m. $5 cover except as noted. 2/24: Spek, Volition. 2/25: Nervous Eaters, Terri Bright. 2/26: Cheerleadr, Waltham, CrackTorch.

Robert Hull Fleming Art Museum
Colchester Avenue, University of Vermont, Burlington, Vt. 802-656-0750. Tues.-Fri. 9 a.m.-4 p.m., Sat.-Sun. 1-5 p.m. Suggested donation $2. Through 6/4: A Writer's Vision: Prints, Drawings and Watercolors by Gunter Grass, by the Nobel Prize-winning German author.

Arthur Griffin Center for Photographic Art
67 Shore Rd., Winchester. 781-729-1158. Tues.-Sun. noon-4 p.m. $3, seniors $2, students free. Through 4/30: Two Generations of Westons: Edward, Cole, and Brett, photographs.

Women Reading
Sanctuary, Arlington Street Church, 351 Boylston St., Boston. 617-371-7124. 2/25: 7:30 p.m., sign-up; 7:45 p.m., program. Open mike format for women reading in all genres, hosted by Deborah Repplier and Claire Robson. Feature, local writer Irene Glassman. $3, proceeds to the church.

Brighton H.S.
Class of 1950, DoubleTree Guest Suites, Waltham. 781-396-0943. 9/22.

Chelsea H.S.
Class of 1950, Crowne Plaza, Woburn. 978-851-7736. 4/8.

Big Band 2000 - Hoagy Carmichael Centennial Celebration
Zeiterion Theatre, 684 Purchase St., New Bedford. 508-994-2900. 3/8: 7 p.m., $12-$24. Stardust Orchestra, Becky Lillie, Dwayne Grayman, Tony Waag, The Small Frys.

Amnesty International Benefit Concert
Unitarian Universalist Church, 630 Mass. Ave., Arlington Center. 617-492-7828. 2/25: 8 p.m., $10 suggested donation. Featuring David Maxwell, Barrence Whitfield & the Savages, Franc Graham, and Dave Herlihy.

New Bedford Whaling Museum
18 Johnny Cake Hill, New Bedford. 508-997-0046. Daily 9 a.m.-5 p.m. $4.50, seniors $3.50, children $3; through 3/31 free to all 1-5 p.m. Ongoing: The Blue Whale Project, exhibit with 65-foot skeleton of a juvenile blue whale; Joshua Slocum: Alone Around the World; Paintings by Clifford W. Ashley. Faces of Whaling: Oral History Project, 3/2, 8 p.m. at First Unitarian Church, Union and Eigth Street, New Bedford, free. updated 2.24

New Bedford Art Museum
608 Pleasant St., New Bedford. 508-961-3072. Wed.-Sun.-noon-5 p.m. Thurs. until 7 p.m. $3; seniors and students $2, children under age 16 free. Through 4/2: Fine Arts Downtown 2000, art by UMass-Dartmouth faculty; From There to Here: The Voice of Lebanese Americans, artifacts and everyday items. 2/27: 3 p.m., A Personal Perspective on Lebanon, lecture by Sheik Talal Eid. dated

Whitman Public Library 100 Webster St., Whitman. 781-447-7613. Free. Winchester Public Library 80 Washington St. 781-721-7171. Free. ONGOING

Magic of Lynxx
Zeiterion Theatre, 684 Purchase St., New Bedford. 508-994-2900. 2/24: 10 a.m. and 12:30 p.m. $5. Lyn Dillies performs dazzling acts of illusion.

Amphitryon
Metcalf Hall of the Winchester Unitarian Church, 478 Main St., Winchester. 781-729-1409. 2/28-2/29: 7:30 p.m. Comedy to be presented by the Winchester Players in May.

Twelfth Night
Laurie Theater, Spingold Theater Center, Brandeis University, Waltham. 781-736-3400. Through 2/27: Fri., Sat. 8 p.m.; Thurs. 10 a.m. and 8 p.m.; Sun. 2 and 7 p.m. $9.50-$13.50. Shakespeare comedy. DINNER THEATERS

Lost in Yonkers
Hill Kraft Auditorium, Belmont Hill School, 350 Prospect St., Belmont. 617-484-4410, ext. 171. 2/25-2/26: 8 p.m. $2. Neil Simon play presented by students from Belmont Hill School and the Windsor School. COLLEGES