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.

Tufts University Alumnae Hall,
Cohen Auditorium, Talbot Avenue, Medford campus. 617-627-3564. 4 p.m. Free. Tufts Orchestra Children's concert. Britten's A Young Person's Guide to the Orchestra, Grieg's Incidental Music to Peer Gy nt. Chapel Series Goddard Chapel. via Tower door. 617-627-3427. Thurs. 12:30 p.m. 2/24: Ariel Wind Ensemble. 3/2: Clare Nielsen, flute; Elizabeth Skavish, piano.

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.

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.

At Tufts University
Medford. 617-627-3564. All programs free. 2/24: 8 p.m., African grooves and Indian ragas by Natraj in Goddard Chapel. 2/25: 8 p.m., Take Part Take Pride, musical celebration features performances by Essence, Kiniwe, and the Third Day Gospel Choir in Cohen Auditorium, Talbot Avenue.

World Music at Tufts University
Talbot Avenue, Medford. 617-627-3564. Concerts at 8 p.m., free. Goddard Chapel on the Green, 2/24: Natraj with special guests African drummer Abubakari Lunna, percussionist David Locke; African, Indian, jazz. Cohen Auditorium, 2/25: Take Part Take Pride in honor of Black History Month with Essence, Kiniwe, Third Day Gospel Choir.

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.

Tufts University Art Gallery
Aidekman Arts Center, Medford. 617-627-3518. Wed.-Sat. noon-8 p.m., Sun. noon-5 p.m. Through 4/2: Millennium Messages, work by 27 artists, architects, and designers commemorating the millennium with original time capsules. Through 2/27: Selected Works, juried work by undergraduates in the Tufts University/School of the Museum of Fine Arts program.

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.

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

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.

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.

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.

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.

Medford H.S.
Class of 1950, North Falmouth. 781-665-8198. 10/20-10/22.

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

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.

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

Roxaboxen
Full Cup Cocoahouse for Kids, Parish Hall, All Saints' Episcopal Church, 79 Central St., Stoneham. 781-279-2039. 2/26: 2 p.m. $5. Adapted from Alice McLerran's children's book about the power of imagination. Recommended for children ages 5-12.

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.

Tufts Balch Arena Theater
Tufts University, Medford. 617-627-3493. The Skin of Our Teeth: 2/24-2/26: 8 p.m. $8, $5 with Tufts ID. Thornton Wilder play.