SUMMER OPERA THEATRE Company -- Massenet's "Cendrillon" ("Cinderella"), through Sunday. Friday at 7:30 and Sunday at 2:30. Hartke Theatre, Catholic University, 620 Michigan Ave. NE. 202-526-1669 or 202-319-4000.
BEL CANTANTI -- Rachmaninoff's "Aleko" and other works, Friday at 7:30. Christ Lutheran Church, 8011 Old Georgetown Rd., Bethesda. 301-652-5160.
WOLF TRAP OPERA COMPANY -- "Sweeney Todd: The Demon Barber of Fleet Street," through June 26. Friday at 8, Sunday at 2 and Wednesday at 8. The Barns of Wolf Trap, 1635 Trap Rd., Vienna. 703-218-6500 or 703-938-2404.
VICTORIAN LYRIC OPERA CO. -- Gilbert & Sullivan's "The Yeomen of the Guard," through Sunday. Friday at 8, Saturday at 8 and Sunday at 2. Scott Fitzgerald Theatre, 603 Edmonston Dr., Rockville. 240-314-8690.
BEL CANTANTI -- Rachmaninoff's "Aleko" and other works, Sunday at 7:30. Cleveland Park Congregational Church, 3400 Lowell St. NW. 202-363-8211.
OPERA BEL CANTO -- Donizetti's "Mary Stuart," through June 26. Sunday at 2. Mount Vernon Place United Methodist Church, 900 Massachusetts Ave. NW. 202-393-5323.
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.
NATIONAL SYMPHONY ORCHESTRA -- Friday and Saturday at 8, conducted by Leonard Slatkin with violinists Mark O'Connor and Nadja Salerno-Sonnenberg in Hindemith's "Mathis der Maler," O'Connor's Double Concerto for Two Violins and Elgar's "Variations on an Original Theme." Kennedy Center Concert Hall, 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 Beethoven's Symphony No. 6, Shatin's "Singing the Blue Ridge" and Respighi's "Pines of Rome." Free. St. Mary's College of Maryland, Route 5, St. Mary's City, Md. 240-895-2024.
NATIONAL PHILHARMONIC -- Friday at 8, conducted by Piotr Gajewski with violinist Sandra Meei Cameron and the National Philharmonic Chorale in "A Journey for the Ears," a demonstration of the acoustics and architecture of the new concert hall, including Gerber's "Fanfare for the Voice of A-M-E-R-I-C-A," Mozart's Overture to "The Impresario," Saint-Saens's Introduction and Rondo Capriccioso, Ravel's "Daphnis et Chloe" Suite No. 2, and remarks by architects and designers. The Music Center at Strathmore, 5301 Tuckerman Lane, North Bethesda. 301-581-5100.
BALTIMORE SYMPHONY ORCHESTRA -- Friday at 8 and Sunday at 3, conducted by Yuri Temirkanov with violinist Vadim Repin in Tchaikovsky's Violin Concerto, Brewbaker's "Playing and Being Played" and Respighi's "Pines of Rome." Joseph Meyerhoff Symphony Hall, 1212 Cathedral St., Baltimore. 410-783-8000 or 800-442-1198.
ARMY BAND ensembles, Friday and Tuesday at 8. Free. West steps of the U.S. Capitol. 703-696-3399 or 202-619-7222.
NATIONAL CONCERT BAND OF America -- Saturday at 6:30. Free. Manassas Museum, 9101 Prince William St., Manassas. 703-330-2787.
BALTIMORE SYMPHONY ORCHESTRA -- Saturday at 8, conducted by Yuri Temirkanov with violinist Vadim Repin in Tchaikovsky's Violin Concerto, Brewbaker's "Playing and Being Played" and Respighi's "Pines of Rome." The Music Center at Strathmore, 5301 Tuckerman Lane, North Bethesda. 877-276-1444 or 301-581-5100.
NATIONAL ORCHESTRAL INSTITUTE -- Saturday at 8, conducted by Roberto Minczuk in Stauss's "Till Eulenspiegel's Merry Pranks," Copland's "Appalachian Spring" and Brahms's Symphony No. 2. Dekelboum Concert Hall, Clarice Smith Performing Arts Center, University of Maryland, Route 193 and Stadium Drive, College Park. 301-405-2787.
FREDERICK ORCHESTRA -- Saturday at 8, "Opera Goes to the Movies." Kussmaul Theater, Frederick Community College, 7932 Opossumtown Pike, Frederick. 301-663-8476.
ECLIPSE CHAMBER ORCHESTRA -- Sunday at 3, conducted by Sylvia Alimena in Francaix's "Serenade for Small Orchestra," Vivaldi's Concerto for Piccolo in C Major, Gassman's Overture to "The Ridiculous Traveler" and Stravinsky's "Pulcinella Suite." Rachel Schlesinger Arts Center, Northern Virginia Community College, 3001 N. Beauregard St., Alexandria. 703-256-2956.
PRINCE WILLIAM COMMUNITY Band, Sunday at 4:30. Nokesville Community Park, 12560 Aden Rd., Nokesville. 703-791-4119.
KENNEDY CENTER OPERA HOUSE Orchestra, Sunday at 6. Free. Millennium Stage, Kennedy Center Grand Foyer, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).
NATIONAL CONCERT 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.
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.
ALEXANDRIA CITIZENS BAND -- Wednesday at 7:30. Free. Friendship Heights Village Center, 4433 S. Park Ave., Chevy Chase. 301-656-2797.
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 -- Thursday at 8:15, conducted by Marvin Hamlisch in a pops program, "Bravo, Broadway!" Filene Center, Wolf Trap Park, 1551 Trap Rd., Vienna. 703-218-6500 or 703-255-1860.
CITY OF FAIRFAX BAND -- Thursday at 8. Free. Veterans Amphitheater, Fairfax City Hall, 10455 Armstrong St., Fairfax. 703-385-7858 or 703-757-0220.
AMERICAN CHAMBER PLAYERS -- Friday at 7:30. Kreeger Museum, 2401 Foxhall Rd. NW. 202-337-3050.
EASTERN SHORE CHAMBER Music Festival -- Friday at 8. Avalon Theatre, 40 E. Dover St., Easton. 410-819-0380.
NATIONAL SYMPHONY ORCHESTRA ensembles, 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).
COUNTERTOP QUARTET -- Saturday at 7:30. Church of the Epiphany, 1317 G St. NW. 202-318-9180.
FAIRFAX SYMPHONY ORCHESTRA ensembles, Sunday at 2. Sully Historic Site, 3601 Sully Rd., Chantilly. 703-642-7200 or 703-437-1794.
NATIONAL GALLERY CHAMBER Players String Quartet -- Sunday at 6:30. Free. West Garden Court, National Gallery of Art, Sixth and Constitution NW. 202-842-6941.
TRINITY CHAMBER PLAYERS -- Sunday at 6:30. The Lyceum, 201 S. Washington St., Alexandria. 301-881-8969 or 703-838-4994.
BRASS OF PEACE -- Tuesday at 12:10. Free. Church of the Epiphany, 1317 G St. NW. 202-347-2635.
WASHINGTON MUSICA VIVA -- Tuesday at 7:30. Dennis & Phillip Ratner Museum, 10001 Old Georgetown Rd., Bethesda. 301-493-5729.
"WASHINGTON EARLY MUSIC Festival" -- Carmina, Wednesday at noon. I Bambini di Parnasso, Wednesday at 7:30. Countertenor Jonathan Hudson, harpsichordist Atsuko Ikeda and harpist Constance Whiteside, Thursday at noon. Cordelion, Thursday at 7:30. St. Mark's Episcopal Church, Third and A streets SE. 703-684-2114.
FAIRFAX SYMPHONY ORCHESTRA ensembles, Wednesday at 7. Free. Green Spring Gardens, 4603 Green Spring Rd., Alexandria. 703-642-5173 or 703-324-7469.
KREGG STOVNER -- violinist, and pianist Randall Sheets, Friday at noon. Free. Arts Club of Washington, 2017 I St. NW. 202-331-7282.
ROBERT GROGAN -- carillonneur, Saturday at 6. Free. Netherlands Carillon, Fort Myer and Marshall drives, Arlington. 703-289-2500.
HASKELL SMALL -- pianist, Sunday at 3. Lincoln Congregational Temple United Church of Christ, 1701 11th St. NW. 202-332-2640.
HORST BUCHHOLZ -- organist, Sunday at 6. Free. National Shrine of the Immaculate Conception, 400 Michigan Ave. NE. 202-526-8300.
DENNIS SOBIN -- guitarist, Monday at noon. Free. The Old Post Office Pavilion, 1100 Pennsylvania Ave. NW. 202-289-4224.
FLUTAR -- flute/guitar duo, Wednesday at 6. Free. Millennium Stage, Kennedy Center Grand Foyer, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).
FRIDAY MORNING MUSIC CLUB Chorale, Saturday at 4. Free. First Baptist Church, 16th and O NW. 202-395-4953.
SLAVEYA -- Saturday at 8. Unitarian Universalist Church of Silver Spring, 10309 New Hampshire Ave., Silver Spring. 301-434-4050.
LESBIAN & GAY CHORUS of Washington, Sunday at 4. Capitol Hill Presbyterian Church, 201 Fourth St. SE. 202-546-1549.
FRIDAY MORNING MUSIC CLUB Chorale, Sunday at 7:30. Free. Bradley Hills Presbyterian Church, 6601 Bradley Blvd., Bethesda. 202-395-4953.
"WASHINGTON SUMMER SINGS" -- Tuesday at 7:30, Brahms's "Requiem," conducted by Donald McCullough. Sponsored by the New Dominion Chorale at Western Presbyterian Church, 2401 Virginia Ave. NW. 703-442-9404.
SUSPICIOUS CHEESE LORDS -- Tuesday at 7:30. Franciscan Monastery, 1400 Quincy St. NE. 202-257-2719.
CARMINA -- Wednesday at noon, with organist Keith Reas. St. Mark's Episcopal Church, Third and A NE. 703-684-2114.