Concerts

Opera

WASHINGTON NATIONAL OPERA -- Gershwin's "Porgy and Bess," through Saturday. Friday at 7:30, Saturday at 7. Kennedy Center Opera House, 2700 F St. NW. 202-295-2400, 202-467-4600 or 800-444-1324.

BALTIMORE OPERA COMPANY -- Bellini's "La Somnabula," through Sunday. Friday at 8:15 and Sunday at 3. Lyric Opera House, 140 W. Mount Royal Ave., Baltimore. 410-727-6000.

MARYLAND OPERA STUDIO -- Mechem's "The Newport Rivals,"

through Monday. Friday at 7:30, Sunday

at 3, Monday at 7:30. Kay Theatre,

Clarice Smith Performing Arts Center, University of Maryland, Route 193 and Stadium Drive, College Park. 301-405-2787.

OPERA THEATRE OF NORTHERN Virginia -- Rossini's "The Barber of Seville," abridged for young audiences, Saturday at 3. Thomas Jefferson Community Theatre, 125 S. Old Glebe Rd., Arlington. 703-528-1433.

Orchestras

BALTIMORE SYMPHONY ORCHESTRA -- Friday at 8 and Sunday at 3, conducted by Kwame Ryan in Ravel's "Mother Goose Suite" and Bartok's "Bluebeard Castle." Joseph Meyerhoff Symphony Hall, 1212 Cathedral St., Baltimore. 410-783-8000 or 800-442-1198.

TOWSON U. SYMPHONIC BAND -- Friday at 8:15. Kaplan Concert Hall, Center for the Arts, Towson University, 8000 York Rd., Towson. 410-704-2787.

ANNAPOLIS SYMPHONY ORCHESTRA -- Friday and Saturday at 8, conducted by Jose-Luis Novo with pianist Orion Weiss in Verdi's Overture to "La Forza del Destino," Tchaikovsky's Symphony No. 6 and Liszt's Piano Concerto No. 1. Maryland Hall for the Creative Arts, 801 Chase St., Annapolis. 410-263-0907.

BALTIMORE SYMPHONY ORCHESTRA -- Saturday at 8, conducted by Kwame Ryan in Ravel's "Mother Goose Suite" and Bartok's "Bluebeard Castle." The Music Center at Strathmore, 5301 Tuckerman Lane, North Bethesda. 301-581-5100.

LOUDOUN SYMPHONY YOUTH Orchestra, Saturday at 4. Heritage High School, 520 Evergreen Mill Rd., Leesburg. 703-771-8287.

NATIONAL SYMPHONY ORCHESTRA -- Sunday at 1 and 3, conducted by Leonard Slatkin with narrator Brian Stokes Mitchell in a family program, "Rip Van Winkle and Other Musical Tales." Kennedy Center Concert Hall, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).

ECLIPSE CHAMBER ORCHESTRA -- Sunday at 3, conducted by Sylvia Alimena in J.S. Bach's Brandenberg Concertos No. 2, 3, 4, 5 and 6. St. Patrick's Episcopal Church, 4700 Whitehaven Pkwy. NW. 703-256-2956.

ROCKVILLE CONCERT BAND -- Sunday at 4, conducted by Vince Patterson in music by Ives, Borodin, Rossini and others. Free. F. Scott Fitzgerald Theatre, 603 Edmonston Rd., Rockville. 240-314-8682.

FRIDAY MORNING MUSIC CLUB Orchestra, Monday at 7:30, conducted by Pablo Saelzer with pianist Chu-Fang Huang in Grieg's Piano Concerto in A Minor and Brahms's Symphony No. 1 in C Minor. Kennedy Center Terrace Theater, 2700 F St. NW. 202-295-2400, 202-467-4600 or 800-444-1324.

Chamber Groups

"YOUTH ORCHESTRA DAY" -- Friday at 6, with National Symphony Orchestra musicians and musicians from local youth orchestras. Free. Millennium Stage, Kennedy Center Concert Hall, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).

U. OF MARY WASHINGTON Wind and Percussion Ensemble, Friday at 7:30. Dodd Auditorium, University of Mary Washington, 1301 College Ave., Fredericksburg. 540-654-1012.

KENNEDY CENTER CHAMBER PLAYERS -- Friday at 8. Free, but tickets required. Coolidge Auditorium, Library of Congress, First and Independence SE. 202-397-7328 for tickets (service charges); 202-707-5502 for information.

AIR FORCE CHAMBER PLAYERS -- Friday at 8. Free. George Washington Masonic National Memorial, 101 Callahan Dr., Alexandria. 202-767-5658.

POST-CLASSICAL ENSEMBLE -- "Celebrating Don Quixote," Saturday at 7:30. Kennedy Center Terrace Theater, 2700 F St. NW. 202-295-2400, 202-467-4600 or 800-444-1324.

LOUDOUN SYMPHONY chamber ensembles, Saturday at 8, followed by a dessert reception. St. James Episcopal Church, 14 Cornwall St. NW., Leesburg. 703-771-8287.

THE CLAREMONT TRIO -- Sunday at 3. Gildenhorn Recital Hall, Clarice Smith Performing Arts Center, University of Maryland, Route 193 and Stadium Drive, College Park. 301-405-2787.

NAVY BAND HARBOR WINDS -- Sunday at 4. Free. Downtown Baptist Church, 212 S. Washington St., Alexandria. 202-433-2525.

ANTARES QUARTET -- Sunday at 5. The Phillips Collection, 1600 21st St. NW. 202-387-2151.

GUARNERI STRING QUARTET -- Tuesday at 7:30. Kennedy Center Terrace Theater, 2700 F St. NW. 202-295-2400, 202-467-4600 or 800-444-1324.

GEORGE MASON U. CHAMBER Ensembles, Tuesday at 7:30. Free. Harris Theater, George Mason University, 4400 University Dr., Fairfax. 703-218-6500 or 703-993-8888.

ARMY BAND ensembles, Tuesday at 7:30. Free. Brucker Hall, 204 Lee Ave., Fort Myer, Arlington. 703-696-3399.

Recitals

D.C. FEDERATION OF MUSIC Clubs, Friday at 11. The Mansion at Strathmore, 10701 Rockville Pike, North Bethesda. 301-762-8334 or 301-581-5100.

FRIDAY MORNING MUSIC CLUB -- Friday at noon. Free. Sumner School Museum, 1201 17th St. NW. 202-333-2075.

GIORGIA CAVALLARO & PHIL Mathieu, guitarists, Friday at noon. Free. Arts Club of Washington, 2017 I St. NW. 202-331-7282.

ALEXANDER FREY -- pianist, Friday at 8. Embassy of Austria, 3524 International Ct. NW. 202-625-2361.

FRIDAY MORNING MUSIC CLUB High School Competition for Strings, Saturday 10:30 to 3:30. Free. Sumner School Museum, 1201 17th St. NW. 202-333-2075.

NATHANIEL BARTLETT -- marimba player, Saturday at 7. Marikle Chapel of the Annunciation, College of Notre Dame of Maryland, 4701 N. Charles St., Baltimore. 410-532-5386.

CARLOS PRIETO -- cellist, and pianist Edison Quintana, Saturday at 8. Cultural Institute of Mexico, 2829 16th St. NW. 202-625-2361.

RAFAEL PADRON -- guitarist, Saturday at 8. Westmoreland Congregational United Church of Christ, 1 Westmoreland Circle, Bethesda. 301-654-6403 or 202-265-3915.

BRADFORD GOWEN -- pianist, Saturday at 8. Good Shepherd Lutheran Church, 16420 S. Westland Dr., Gaithersburg. 301-869-1780.

PHILIPPE CASTAGNER -- tenor, and pianist Ken Noda, Sunday at 2. Kennedy Center Terrace Theater, 2700 F St. NW. 202-295-2400, 202-467-4600 or 800-444-1324.

NINA ASSIMAKOPOULOS -- flutist, Sunday at 3. Free. Alden Theatre, McLean Community Center, 1234 Ingleside Ave., McLean. 703-324-8344.

ARC DUO -- flute/guitar, Sunday at 3. Christ Congregational Church, 9525 Colesville Rd., Silver Spring. 301-585-8010.

FLUTAR -- flute/guitar duo, Sunday at 3. Black Rock Center for the Arts, 12901 Town Commons Dr., Germantown. 301-528-2260.

NATIONAL SYMPHONY ORCHESTRA Young Soloists Competition, 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).

THE ADKINS-NEWMAN DUO -- violin/duo, Sunday at 6:30. Free. West Garden Court, National Gallery of Art, Sixth and Constitution NW. 202-842-6941.

TIA WORTHAM -- soprano/guitarist, and pianist Caroline Koziol, Sunday at 3. The Lyceum, 201 S. Washington St., Alexandria. 703-838-4994.

MARTIN BERKOFSKY -- pianist, Sunday at 7. Davies Memorial Unitarian Universalist Church, 7400 Temple Hill Rd., Camp Springs. 301-292-5887.

ALBERT TIU -- pianist, Monday at 6. Kaplan Concert Hall, Center for the Arts, Towson University, 8000 York Rd., Towson. 410-704-2787.

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

ELIZABETH WILEY TAYLOR -- mezzo-soprano, and pianist Thomas Bagwell, Tuesday at 7. Free, but reservations required. Embassy of Germany, 4645 Reservoir Rd. W. 202-289-1200.

GRAHAM ELLIOTT -- organist, Wednesday at 12:30. Free. Grace Episcopal Church, 1607 Grace Church Rd., Silver Spring. 301-587-8046.

Choral Groups

FESTA DELLA VOCE -- Friday at 7:30. Embassy of Canada, 501 Pennsylvania Ave. NW. 202-397-7328.

ITHACA COLLEGE CHOIR -- Saturday at 7:30. Pilgrim Lutheran Church, 5500 Massachusetts Ave., Bethesda. 301-229-2800.

GERMAN SCHOOL OF WASHINGTON Choir and Chamber Choir and Ensemble Amade, Saturday at 7:30 and Sunday at 6. Catholic Church of Our Lady of Mercy, 9200 Kentsdale Dr., Potomac. 301-365-4400.

CAMERATA CANTORES -- Saturday at 8: Warrenton Presbyterian Church, 91 Main St., Warrenton. Sunday at 4: Trinity Episcopal Church, 9114 John S. Mosby Hwy., Upperville. 540-937-4044.

WPAS CHILDREN OF THE GOSPEL Mass Choir, Sunday at 3. The Music Center at Strathmore, 5301 Tuckerman Lane, North Bethesda. 877-276-1444 or 301-581-5100.

CARMINA -- Sunday at 4. St. James Episcopal Church, 222 Eighth St. NE. 202-550-4215.

UNITARIAN UNIVERSALIST CHURCH of Arlington Adult Choir, Sunday at 4. Free. Unitarian Universalist Church of Arlington, 4444 Arlington Blvd., Arlington. 703-892-2135.

FAIRFAX CHORAL SOCIETY -- Sunday at 7:30. Free. Cathedral of St. Thomas More, 3901 Cathedral Lane, Arlington. 703-524-2815.

NAVY SEA CHANTERS -- Tuesday at 7. Free. Asbury United Methodist Church, 70 Church Rd., Arnold. 202-433-2525.