Concerts

Opera

WASHINGTON CHU SHAN CHINESE Opera Institute -- Friday at 7:30. Free. Newton W. Edwards Amphitheater, Mason District Park, 6621 Columbia Pike, Annandale. 703-941-1730 or 703-324-7469.

WOLF TRAP OPERA CO. -- Recital program, Friday at 8. The Barns at Wolf Trap, 1635 Trap Rd., Vienna. 703-255-1860 or 703-938-2404.

WASHINGTON NATIONAL OPERA Institute for Young Singers, Tuesday at 6. Free. Millennium Stage, Kennedy Center Grand Foyer, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).

Orchestras

AIR FORCE BAND ensembles, Friday at noon. Free. National Air and Space Museum Udvar-Hazy Center, 14390 Air & Space Museum Pkwy., Chantilly. 202-767-5658.

ALEXANDRIA CITIZENS BAND -- Friday at 7:30. Free. Market Square, 301 King St., Alexandria. 703-883-4686.

ARMY BAND -- Friday at 8, in Tchaikovsky's "1812" Overture and other works, accompanied by live cannons. Free. Washington Monument grounds. 703-696-3399 or 202-619-7222.

MOUNT VERNON COMMUNITY Band -- Sunday at 7:30. Free. Newton W. Edwards Amphitheater, Mason District Park, 6621 Columbia Pike, Annandale. 703-941-1730 or 703-324-7469.

NAVY BAND ensembles, Monday and Thursday at 8. Free. West Steps of the U.S. Capitol. 202-433-2525 or 202-619-7222.

ARMY BAND ensembles, Tuesday at 8. Free. West Steps of the U.S. Capitol. 703-696-3399 or 202-619-7222.

NAVY BAND -- Tuesday at 8. Free. Navy Memorial, 701 Pennsylvania Ave. NW. 202-433-2525.

AIR FORCE BAND ensembles, Wednesday at noon. Free. National Air and Space Museum, Seventh Street and Independence Avenue SW. 202-767-5658 or 202-633-1000.

MARINE BAND ensembles, Wednesday at 8. Free. West Steps of the U.S. Capitol. 202-433-4011 or 202-619-7222.

Chamber Groups

ARMY FIELD BAND chamber ensembles, Sunday at 3. Free. Christ Episcopal Church, 6800 Oakland Mills Rd., Columbia. 301-677-6586.

NATIONAL PHILHARMONIC String Quartet, Thursday at 8. F. Scott Fitzgerald Theater, 603 Edmonston Dr., Rockville. 24-314-8690.

Recitals

EDWARD NASSOR -- carillonneur, Saturday at 6. Free. Netherlands Carillon, Fort Myer and Marshall drives, Arlington. 703-289-2500.

ANNE HORSCH -- organist, Sunday at 6. Free. National Shrine of the Immaculate Conception, 400 Michigan Ave. NE. 202-526-8300.

JANA STUART -- pianist, Tuesday at 12:10. Free. Church of the Epiphany, 1317 G St. NW. 202-347-2635.

Choral Groups

ALEXANDRIA SINGERS -- Friday at 7:30. Free. Kingstowne Towne Center, 5955 Kingstowne Blvd., Franconia. Free. 703-922-9514 or 703-324-7469.

NAVY SEA CHANTERS -- Friday at 7:30. Free. Lake Accotink Park, 7500 Accotink Park Rd., Springfield. 703-425-9300 or 703-324-7469.