WASHINGTON NATIONAL OPERA -- Giordano's "Andrea Chenier," through Oct. 2. Saturday at 7, Tuesday 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 at 8, conducted by Bruno Weil with pianist Jean Louis Steuerman in Beethoven's Overture to "Coriolan," Piano Concerto No. 5 in E-flat Major and Symphony No. 5. Thursday 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).
BALTIMORE SYMPHONY ORCHESTRA -- Friday at 8, Saturday at 8 and Sunday at 3, conducted by Yuri Temirkanov with pianist Helene Grimaud in Schumann's Piano Concerto and Brahms's Symphony No. 1. Joseph Meyerhoff Symphony Hall, 1212 Cathedral St., Baltimore. 410-783-8000 or 800-442-1198.
VIRGINIA GRAND MILITARY Band, Saturday at 8, conducted by Loras J. Schissel and Arnald Gabriel with saxophonist Dale Underwood and the Metropolitan Chorus. Schlesinger Concert Hall, Northern Virginia Community College, 3001 N. Beauregard St., Alexandria. 703-281-3331.
VIENNA SAXOPHONE QUARTET -- Friday at 6:30. Free. Freeman House, 131 Church St. NE, Vienna. 703-255-6360.
AIR FORCE BRASS QUINTET -- Friday at 8. Free. George Washington Masonic National Memorial, 101 Callahan Dr., Alexandria. 20-767-5658.
WASHINGTON MUSICA VIVA -- Saturday at 7:30. BannerArts Studio, 4233C Howard Ave., Kensington. 301-493-5729.
NAVY BAND chamber ensembles, Sunday at 2. Free. Glenview Mansion, 603 Edmonston Dr., Rockville. 202-433-2525.
AIR FORCE WOODWIND QUINTET -- Thursday at 8. Free. John Addison Concert Hall, Harmony Hall Regional Center, 10701 Livingston Rd., Fort Washington. 202-767-5658.
HASKELL SMALL -- pianist, Saturday at 1:30. Anderson House Museum, 2118 Massachusetts Ave. NW. 703-785-2040.
LAWRENCE ROBINSON -- carillonneur, Saturday at 2. Free. Netherlands Carillon, Fort Myer and Marshall drives, Arlington. 703-289-2500.
MARK COLE -- organist, Sunday at 5. Free. Washington National Cathedral, Wisconsin and Massachusetts avenues NW. 202-537-6200.
THE MURRAY/KING GUITAR DUO -- Tuesday at 12:10. Free. Church of the Epiphany, 1317 G St. NW. 202-347-2635.
DANIEL GAWTHROP -- organist, Wednesday at 1. Free. St. Luke Catholic Church, 7001 Georgetown Pike, McLean. 703-356-0670.
WASHINGTON NATIONAL Cathedral combined choirs, the Cathedral Chamber Orchestra and soloists, Saturday at 7:15, in Kleiberg's "Requiem for the Victims of Nazi Persecution." Washington National Cathedral, Wisconsin and Massachusetts avenues NW. 202-537-5757 or 202-537-6200.
POTOMAC HIGH SCHOOL Concert Choir, Sunday at 4. Albright Memorial United Methodist Church, Fourth and Rittenhouse NW. 301-656-9116.
AMERICAN UNIVERSITY Gospel Choir, Sunday at 4. Metropolitan Memorial United Methodist Church, 3401 Nebraska Ave. NW. 202-363-4900.