SUMMER OPERA THEATRE Company -- Verdi's "Rigoletto," through Sunday. Friday at 7:30 and Sunday at 2:30. Hartke Theatre, 3801 Harewood Rd. NE. 202-526-1669 or 202-319-4000.
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).
CHESAPEAKE ORCHESTRA -- Friday at 7, conducted by Jeffrey Silberschlag in Shostakovich's Symphony No. 9, Ravel's "Scheherazade" and Debussy's Danse Sacret et Danse Profane." Free. St. Mary's College of Maryland, Route 5, St. Mary's City, Md. 240-895-2024.
NATIONAL SYMPHONY ORCHESTRA -- Friday at 7:30, Sarah Hatsuko conducts "An Outdoor Celebration," featuring music with outdoor themes by Copland, Smetana, Sousa and Gershwin. Saturday at 7:30, Emil de Cou conducts a "The NSO on Vacation," a musical travelogue of music by Respighi, Leroy Anderson and John Williams. Carter Barron Amphitheatre, 4850 Colorado Ave. NW (16th Street and Colorado Avenue). 202-467-4600 or 202-426-0486.
BALTIMORE SYMPHONY Orchestra -- Friday at 7:30, conducted by Mark Wigglesworth with cellist Ilya Finkelshteyn in Shostakovich's "Festive" Overture, Dvorak's Cello Concerto and Wagner's Suite from "Die Meistersinger." Joseph Meyerhoff Symphony Hall, 1212 Cathedral St., Baltimore. 410-783-8000 or 800-442-1198.
FAIRFAX SYMPHONY SUMMER Band -- Friday at 7:30. Free. Lake Accotink Park, 7500 Accotink Park Rd., Springfield. 703-425-9300 or 703-324-7469.
ARMY BAND ensembles, Friday and Tuesday at 8. Free. West Steps of the U.S. Capitol. 703-696-3399 or 202-619-7222.
BALTIMORE SYMPHONY Orchestra -- Saturday at 8, conducted by Andrew Constantine with baritone Pete Herber and soprano Rebecca Baxter in Broadway classics, followed by fireworks. Oregon Ridge Park, 13401 Beaver Dam Rd., at Exit 20-B off I-83, Cockeysville. 410-783-8000 or 800-442-1198.
NVCC-ANNANDALE SYMPHONY Orchestra, Sunday at 5, in Prokofiev's "Peter and the Wolf" and other works. Ernst Community Cultural Center, 8333 Little River Tnpk., Annandale. 703-569-0973.
COLUMBIA CONCERT BAND -- Sunday at 6. Free. Lurman Woodland Theatre, Bloomsbury Avenue and Hilltop Road, Catonsville. 877-278-0961.
FAIRFAX SYMPHONY SUMMER 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.
NAVAL ACADEMY BAND ensembles, Tuesday at 7:30. Free. City Dock, Annapolis. 410-293-1262.
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.
MARINE BAND -- Thursday at 7. Free. U.S. Marine Corps War Memorial, on U.S. 50 adjacent to Arlington National Cemetery, Arlington. 202-433-4011.
NATIONAL SYMPHONY ORCHESTRA and Cathedral Choral Society, Thursday at 7:30, conducted by Emil de Cou and J. Reilly Lewis Britten's "The Young Person's Guide to the Orchestra," Gounod's "St. Cecilia Mass," Poulenc's Organ Concerto
and Ravel's "Pavane for a Dead Princess." Free. Washington National Cathedral, Wisconsin and Massachusetts avenues NW. 202-537-6200.
BALTIMORE SYMPHONY Orchestra -- Thursday at 8, conducted by Hugh Wolff with pianist Yuja Wang in Walton's Facade Suite No. 1, Liszt's Piano Concerto No. 1 and Schumann's Symphony No. 1. Music Center at Strathmore, 5301 Tuckerman Lane, North Bethesda. 877-276-1444 or 301-581-5200.
CITY OF FAIRFAX BAND -- Thursday at 8. Free. Veterans Amphitheater, Fairfax City Hall, 10455 Armstrong St., Fairfax. 703-385-7858 or 703-757-0220.
"SHENANDOAH PERFORMS" -- Music festival, through July 24. Ricardo Cobo, guitarist, Friday at 8. Young artist recitals, Saturday at 4:30 and 7, Sunday at 11 and 2. Festival Orchestra concert, Sunday at 8. Chamber music concert, Wednesday at 8. Shenandoah University, 1460 University Dr., Winchester. 540-665-4569.
"GRACE CHURCH BACH FESTIVAL" -- Friday at 8 and Sunday at 3. Grace Church, 1041 Wisconsin Ave. NW. 202-333-7100.
WASHINGTON METROPOLITAN Philharmonic ensembles, Sunday at 3. Free. The Lyceum, 201 S. Washington St., Alexandria. 703-799-8229 or 703-838-4994.
FAIRFAX SYMPHONY BRASS Quintet -- Sunday at 3. Free.
Mclean Central Park, adjacent to
the McLean Community Center, 1234 Ingleside Ave., McLean. 703-790-0123.
BRASS EXPRESS -- Thursday at 7. Free. Strathmore, 5301 Tuckerman Lane, North Bethesda. 301-581-5200.
WILLIAM MONTGOMERY FLUTE Choir, Friday at noon. Free. Arts Club of Washington, 2017 I St. NW. 202-331-7282.
APRIL HAINES -- soprano, Sunday at 4. Lochearn Presbyterian Church, 3800 Patterson Ave., Baltimore. 410-329-6874.
NSO SUMMER MUSIC Institute -- Saturday, Sunday and Monday at 6. Free. Millennium Stage, Kennedy Center Grand Foyer, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).
ANNE KROEZE -- carillonneur, Saturday at 6. Free. Netherlands Carillon, Fort Myer and Marshall drives, Arlington. 703-289-2500.
KEN COWAN -- organist, Sunday at 5. Free. Washington National Cathedral, Wisconsin and Massachusetts avenues NW. 202-537-6200.
GREGORY HAMILTON -- organist, Sunday at 6. Free. National Shrine of the Immaculate Conception, 400 Michigan Ave. NE. 202-526-8300.
MILES HOFFMAN -- violist, Tuesday at 7:30. Free. Washington National Cathedral, Wisconsin and Massachusetts avenues NW. 202-537-6200.
JULIAN GRAY & NATHAN Fischer, guitarists, Thursday at 8. Alexandria Guitar Festival, Old Presbyterian Meeting House, 321 S. Fairfax St., Alexandria. 703-848-0077.
SLAVIC MALE CHORUS -- Friday at 7:30. St. Joseph's on Capitol Hill, 313 Second St. NE. 202-547-1223.
CATHEDRAL MEN'S VOICES -- Friday at 7:30. Free Washington National Cathedral, Wisconsin and Massachusetts avenues NW. 202-537-6200.
CHESTER RIVER CHORALE -- Saturday at 7. Free. Fountain Park, High and Cross streets, Chestertown, Md. 410-778-0500.
WASHINGTON-AREA COMBINED choirs, Sunday at 7:30, performing music by Thomas Tallis. Free. Washington National Cathedral, Wisconsin and Massachusetts avenues NW. 202-537-6200.
SIBYLLA -- Tuesday at 12:10. Free. Church of the Epiphany, 1317 G St. NW. 202-347-2635.
"WASHINGTON SUMMER SINGS" -- Tuesday at 7:30, Mendelssohn's "Hymn of Praise," conducted by Thomas Beveridge. Sponsored by the New Dominion Chorale at Western Presbyterian Church, 2401 Virginia Ave. NW. 703-442-9404.