Concerts

Opera

SUMMER OPERA THEATRE CO. -- Verdi's "Otello," Friday at 8 and Sunday at 2. Hartke Theatre, Catholic University, 620 Michigan Ave. NE. 202-319-4000 or 202-526-1669.

Orchestras

CHESAPEAKE ORCHESTRA -- Friday at 7, conducted by Jeffrey Silberschlag with pianists Brian Ganz and Eliza Garth, violinists Jose Cueto and violist Jennifer Rende in Dvorak's "Carnival" Overture and Symphony No. 9, Froom's "Songs of a Summer Evening" and Poulenc's Concerto for Two Pianos and Orchestra. Free. St. Mary's College of Maryland, Route 5, St. Mary's City. 240-895-2024.

CITY OF FAIRFAX CONCERT BAND -- Friday at 7:30. Lake Accotink Park, 7500 Accotink Park Rd., Springfield. 703-569-3464 or 703-425-9300.

ARMY BAND and ensembles, Friday at 8. Free. West Terrace, U.S. Capitol. 703-696-3399 or 202- 619-7222.

NATIONAL SYMPHONY ORCHESTRA -- Saturday at 6, with graduates of the National Conducting Institute. Free. Kennedy Center Concert Hall, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).

NATIONAL ORCHESTRAL INSTITUTE -- Saturday at 8, conducted by JoAnn Falletta in Lutoslawski's Concerto for Orchestra and Berlioz's "Symphonie Fantastique." Dekelboum Concert Hall, Clarice Smith Performing Arts Center, University of Maryland, Route 193 and Stadium Drive, College Park. 301-405-2787.

BALTIMORE SYMPHONY Orchestra, Sunday at 8, with singer Linda Ronstadt. Cavalier Telephone Pavilion at Pier Six, 731 Eastern Ave., Baltimore. 202-397-7328, 410-547-7328 or 410-659-7100.

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

AIR FORCE BAND and ensembles, Tuesday at 8. Free. West Terrace, U.S. Capitol. 202-767-5658 or 202-619-7222.

NAVY BAND and ensembles, Tuesday at 8. Free. U.S. Navy Memorial, 701 Pennsylvania Ave. NW. 202-737-2300 or 202-433-2525.

AIR FORCE BAND and ensembles, Wednesday at noon. Free. National Air and Space Museum, Seventh and Independence SW. 202-767-5658 or 202-357-2700.

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

BALTIMORE SYMPHONY Orchestra, Wednesday at 8:30, with singer Linda Ronstadt. Filene Center, Wolf Trap Park, 1551 Trap Rd., Vienna. 703-218-6500 or 703-255-1860.

MARINE BAND and ensembles, Thursday at 7. Free. U.S. Marine Corps War Memorial (Iwo Jima Memorial), on U.S. 50 next to Arlington National Cemetery. 202-433-4011.

THE FALLS CHURCH and Tacoma concert bands, Thursday at 7. Free. Cherry Hill Park, 300 Park Ave., Falls Church. 703-532-0884.

BALTIMORE SYMPHONY ORCHESTRA ensembles, Thursday at 7:30. Strathmore Hall Arts Center, 10701 Rockville Pike, North Bethesda. 301-530-0540.

CITY OF FAIRFAX BAND -- Thursday at 8. Free. Veterans Amphitheater, Fairfax City Hall, 10455 Armstrong St., Fairfax. 703-385-7858 or 703-757-0220.

Chamber Groups

ENDELLION STRING QUARTET -- Friday at 8. New Chamber Festival, Evergreen House, 4545 N. Charles St., Baltimore. 410-783-8570.

LEIPZIG STRING QUARTET -- Saturday at 3. New Chamber Festival, Peabody Conservatory, 1 E. Mount Vernon Pl., Baltimore. 410-783-8570.

CUARTETO LATINOAMERICANO -- Saturday at 8. New Chamber Festival, Peabody Conservatory, 1 E. Mount Vernon Pl., Baltimore. 410-783-8570.

LEIPZIG STRING QUARTET -- Sunday at 3. New Chamber Festival, Shriver Hall, Johns Hopkins University, 3400 N. Charles St., Baltimore. 410-783-8570.

COVINGTON STRING QUARTET -- Sunday at 3. Free. The Lyceum, 201 S. Washington St., Alexandria. 703-838-4994.

TRINITY CHAMBER PLAYERS -- Sunday at 6. The Lyceum, 201 S. Washington St., Alexandria. 301-881-8969.

NATIONAL GALLERY CHAMBER Players String Quartet, Sunday at 7. Free. West Garden Court, National Gallery of Art, Sixth and Constitution NW. 202-842-6941.

ENDELION STRING QUARTET -- Sunday at 8. New Chamber Festival, Shriver Hall, Johns Hopkins University, 3400 N. Charles St., Baltimore. 410-783-8570.

"THE COSMOS ACCORDING to Crumb, Part 1," Tuesday at 7:30. Free. Washington National Cathedral, Wisconsin and Massachusetts avenues NW. 202-537-6200.

Recitals

NATALIA KUZNETSOVA -- violinist, and pianist Oksana Lutsyshyn, Friday at noon. Free. Arts Club of Washington, 2017 I St. NW. 202-331-7282.

GWYN JONES -- flutist, and pianist Rosann Conway, Friday at 7:30. Free. Sumner School Museum, 1201 17th St. NW. 202-607-7094.

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

SEQUINA DUBOSE -- soprano, Sunday at 3. Free. St. Mary's Church, 2609 Glebe Rd., Arlington. 703-527-6800.

JOYCE JONES -- organist, Sunday at 5. Washington National Cathedral, Wisconsin and Massachusetts avenues NW. 202-537-6200.

ELMO CONSENTINI -- organist, Sunday at 6. Free. National Shrine Of The Immaculate Conception, 400 Michigan Ave. NE. 202-526-8300.

JOAN KWUON -- violinist, Sunday at 7. Center for the Arts Concert Hall, George Mason University, 4400 University Dr., Fairfax. 703-218-6500 or 703-993-8888.

DAVID LANG -- organist, Wednesday at noon. Free. Old Presbyterian Meeting House, 321 S. Fairfax St., Alexandria. 703-549-6670.

THOMAS MARSHALL -- organist, and George Corbett, oboe and English horn, Wednesday at 7:30. Grace Church, 1041 Wisconsin Ave. NW. 202-333-7100.

WASHINGTON TOHO KOTO SOCIETY -- Thursday at 7:30. Free. Nottoway Park, 9601 Courthouse Rd., Vienna. 703-938-7532 or 703-324-8680.

Choral Groups

GREATER CANTON MEN'S CHORUS -- Friday at 6. Free. Millennium Stage, Kennedy Center Grand Foyer, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).

HERITAGE SIGNATURE CHORALE -- Friday at 7:30 and Sunday at 4:30. National City Christian Church, 5 Thomas Circle NW. 202-310-3283.

CHORALIS -- Friday at 8, Orff's "Carmina Burana" and Stravinsky's "Symphony of Psalms." Woodson High School, 9525 Main St., Fairfax. 703-237-2499.

MORMON CHOIR OF WASHINGTON -- Saturday at 5. Free. National Building Museum, 401 F St. NW. 301-942-0103.

CONGRESSIONAL CHORUS -- Saturday at 7:30. Washington Ethical Society auditorium, 7750 16th St. NW. 301-589-8633.

BREAD & ROSES FEMINIST Singers -- Saturday at 8. National City Christian Church, 5 Thomas Circle NW. 202-265-8845 or 703-205-9060.

ALEXANDRIA SINGERS -- Saturday at 8 and Sunday at 3. T.C. Williams High School, 3330 King St., Alexandria. 703-941-7464.

ALBAN CHORALE -- Sunday at 7:30. Mason District Park, Newton W. Edwards Amphitheater, 6621 Columbia Pike, Annandale. 703-941-1730 or 703-324-8680.

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

"WASHINGTON SUMMER SINGS" -- Tuesday at 7:30, sing Verdi's "Requiem" conducted by Thomas Beveridge. Western Presbyterian Church, 2401 Virginia Ave. NW. 703-442-9404.

CHORAL ARTS SOCIETY OF Washington and Singers for All Seasons, Wednesday at 7:30. Strathmore Hall Arts Center, 10701 Rockville Pike, North Bethesda. 301-530-0540.