WASHINGTON NATIONAL OPERA -- Britten's "Billy Buddy," through Oct. 3: Saturday at 7, Tuesday at 7:30. Giordano's "Andrea Chenier," through Oct. 2: Friday at 7:30, Monday at 7, Thursday at 7:30. Kennedy Center Opera House, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).
NATIONAL SYMPHONY ORCHESTRA -- Friday and Saturday at 8, conducted by Marvin Hamlisch with pianist Bobby Short in "Let's Fall in Love: A Tribute to Cole Porter." Kennedy Center Concert Hall, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).
ANNAPOLIS SYMPHONY ORCHESTRA -- Friday and Saturday at 8, conducted by Jose-Luis Novo with mezzo-soprano Kathleen Clawson and violinist Elissa Lee Koljonen in Strauss's "Der Zigeunerbaron" Overture, Falla's "El Amor Brujo," Ravel's "Tzigane," Revueltas's "Homenage a Garcia Lorca" and Kodaly's "Peacock Variations." Maryland Hall for the Creative Arts, 801 Chase St., Annapolis. 410-263-0907.
AMERICAN BALALAIKA SYMPHONY -- Saturday at 7:30. Kraushaar Auditorium, Goucher College, 1021 Dulaney Valley Rd., Towson. 703-351-1331.
FAIRFAX SYMPHONY -- Saturday at 8, conducted by William L. Hudson with violinist Jamie Laredo in Brahms's "Academic Festival" Overture, Mussorgsky's Prelude "Khovantchina" and Shostakovich's Suite for Variety Orchestra No. 1. Center for the Arts Concert Hall, George Mason University, 4400 University Dr., Fairfax. 703-218-6500 or 703-827-0600.
AIR FORCE BAND CHAMBER Orchestra, Sunday at 3. Free. Gaston Hall, Georgetown University, 37th and O NW. 202-767-5658 or 202-687-3838.
McLEAN ORCHESTRA -- Sunday at 5:30, conducted by Sylvia Alimena in a pops program. Free. Meadowlark Botanical Gardens, 9750 Meadowlark Gardens Ct., Vienna. 703-893-8646 or 703-255-3631.
ORQUESTA SINFONICA DE Puerto Rico, Sunday at 8, conducted by Guillermo Figueroa with soprano Ana Maria Martinez and tenor Cesar Hernandez in works by Rimsky-Korsakov, Gutierrez-Espinosa, Puccini, Rossini, Gounod, Luna, Sorozabal, Penella, Sierra and Ravel. Kennedy Center Concert Hall, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).
BALTIMORE SYMPHONY ORCHESTRA -- Tuesday at 7, conducted by Andrew Constantine in Haydn's Trumpet Concerto, Copland's "Fanfare for the Common Man" and other works. Free, but tickets required. Outdoors at Strathmore Arts Center, 10701 Rockville Pike, North Bethesda. 301-581-5100 or 301-530-0540.
BALTIMORE SYMPHONY ORCHESTRA -- Thursday at 8, conducted by Yuri Temirkanov with pianist Gary Graffman in Prokofiev's Piano Concerto No. 4 and Rachmaninoff's Symphony No. 2. Joseph Meyerhoff Symphony Hall, 1212 Cathedral St., Baltimore. 410-783-8000 or 800-442-1198.
AIR FORCE CLARINET CHOIR -- Friday at 8. Free. George Washington Masonic National Memorial, 101 Callahan Dr., Alexandria. 202-767-5658.
NATIONAL SYMPHONY ORCHESTRA chamber ensembles, Sunday at 2. Kennedy Center Terrace Theater, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).
ARMY FIELD BAND chamber ensembles, Sunday at 3. Church of the Resurrection, 3315 Greencastle Rd., Burtonsville. 301-677-6586.
RED ROSE TRIO -- Sunday at 4. St. Patrick's Episcopal Church, 3241 Brush Dr., Falls Church. 703-533-9454.
SUNRISE QUARTET -- Sunday at 7. Davies Memorial Unitarian Universalist Church, 7400 Temple Hill Rd., Camp Springs. 301-292-5716.
AIR FORCE CHAMBER PLAYERS -- Tuesday at 4. Free. Juanita Thornton/Shepard Library, 7420 Georgia Ave. NW. 202-767-5658.
GUARNERI STRING QUARTET -- Tuesday at 5, in an open rehearsal. Free. Gildenhorn Recital Hall, Clarice Smith Performing Arts Center, University of Maryland, Route 193 and Stadium Drive, College Park. 301-405-2787.
AIR FORCE CLARINET Quartet, Wednesday at 8. Free. McNeir Hall, Georgetown University, 37th and O NW. 202-687-3838.
EDWARD NASSOR -- carillonneur, Saturday at 2. Free. Netherlands Carillon, Fort Myer and Marshall drives, Arlington. 703-289-2500.
JODI BREEDER -- cellist, and soprano Sarah Pelletier, Saturday at 6. Free. Millennium Stage, Kennedy Center Grand Foyer, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).
HANNAH SUN -- pianist, Saturday at 8. St. Ann Catholic Church, 4001 Yuma St. NW. 202-966-6288.
DETRA BATTLE -- soprano, and pianist Susan Lucci, Sunday at 3. Lincoln Congregational Temple United Church of Christ, 1701 11th St. NW. 202-332-2640.
SCOTT BENNETT -- organist, Sunday at 5. Washington National Cathedral, Wisconsin and Massachusetts avenues NW. 202-537-6200.
PIERRE-LAURENT AIMARD -- pianist, Sunday at 7. La Maison Francaise, Embassy of France, 4101 Reservoir Rd. NW. 202-944-9091.
DENNIS SOBIN -- guitarist, Monday at noon. Free. The Old Post Office Pavilion, 1100 Pennsylvania Ave. NW. 202-289-4224.
KATHLEEN BATTLE -- soprano, Monday at 8, with a jazz quintet in a program of Latin American jazz, folk songs, spirituals and other traditional music. Kennedy Center Concert Hall, 2700 F St. NW. 202-467-4600.
BAILEY WHITEMAN -- mezzo-soprano, and pianist R. Timothy McReynolds, Tuesday at 12:10. Free. Church of the Epiphany, 1317 G St. NW. 202-347-2635.
LYDIA CARUANA -- soprano, and pianist Davinia Galea, Tuesday at 7. Residence of the Ambassador of Malta, 4501 29th St. NW. 202-625-2361.
MARTIN HACKLEMAN -- hornist, trombonist Milton Stevens and pianist Kelly Ker Hackleman, Tuesday at 8. Free. Gildenhorn Recital Hall, Clarice Smith Performing Arts Center, University of Maryland, Route 193 and Stadium Drive, College Park. 301-405-2787.
BEN CHOUINARD -- bass trombonist, Tuesday at 8:15. Center for the Arts, Towson University, 8000 York Rd., Towson. 410-704-2787.
MICHAEL APPLEMAN -- violinist, and pianist Alexander Paley, Thursday at 7:30, in the world premiere of Garrison Hull's Violin Sonata No. 2. Strathmore Arts Center, 10701 Rockville Pike, North Bethesda. 301-581-5100 or 301-530-0540.
FIRST MOUNT ZION MASS Choir, Saturday at 5. Zion Baptist Church, 4850 Blagden Ave. NW. 202-723-4152.