Concerts

Opera

BEL CANTANTI OPERA -- Humperdinck's "Hansel & Gretel," Saturday at 3 and Sunday at 6. Christ Lutheran Church, 8011 Old Georgetown Rd., Bethesda. 301-718-7360.

AMERICAN CENTER FOR PUCCINI Studies -- Puccini's "La Rondine," through Oct. 30. Saturday at 7:30 and Sunday at 4. Greenridge Baptist Church, 21925 Frederick Rd., Boyds. 301-528-4305.

BALTIMORE OPERA COMPANY -- Verdi's "La Traviata," through Oct. 30. Saturday at 8:15 and Wednesday at 7:30. Lyric Opera House, 140 W. Mount Royal Ave., Baltimore. 410-727-6000.

CATHOLIC U. SCHOOL OF MUSIC -- Blitszstein's "Regina," through Oct. 29. Thursday at 8. Hartke Theatre, 620 Michigan Ave. NE. 202-319-5414.

Orchestras

GEORGE WASHINGTON U. Symphonic Band and Wind Ensemble, Friday at 7:30. Lisner Auditorium, 730 21st St. NW. 202-994-6245.

MUNICH SYMPHONY ORCHESTRA -- Saturday at 8, conducted by pianist Phillipe Entremont in an all-Beethoven program. Center for the Arts Concert Hall, George Mason University, 4400 University Dr., Fairfax. 703-218-6500 or 703-993-8888.

NATIONAL PHILHARMONIC -- Saturday at 8, conducted by Piotr Gajewski with clarinetist Richard Stoltzman in Mozart's Clarinet Concerto and Symphony No. 1 and Handel's "Water Music" Suite No. 1. The Music Center at Strathmore, 5301 Tuckerman Lane, North Bethesda. 301-581-5100.

CITY OF FAIRFAX BAND -- Saturday at 8, conducted by Robert Pouliot with vocalist Cindy Hutchins in "A Salute to Hollywood and Broadway." Fairfax High School, 3500 Old Lee Hwy., Fairfax. 703-757-0220.

MONTGOMERY COLLEGE Symphony Orchestra, Sunday at 2. Free. Parilla Performing Arts Center, Montgomery College, 51 Mannakee St., Rockville. 301-279-5209.

ARMY CONCERT BAND -- Sunday at 3. Free. Rachel Schlesinger Concert Hall, Northern Virginia Community College, 3001 N. Beauregard St., Alexandria. 703-696-3399.

WASHINGTON METROPOLITAN Philharmonic -- Sunday at 5, conducted by Ulysses St. James in Butterworth's "Romance for Horn and String Orchestra," Britten's "Peter Grimes: Four Sea Interludes," Arnold's Concerto for Two Violins and String Orchestra and Ireland's Concerto for Piano and Orchestra. Bishop Ireton High School, 201 Cambridge Rd., Alexandria. 703-799-8229.

U. OF MARYLAND CONCERT Band, Monday at 8, conducted by L. Raymond Sparks. Free. Dekelboum Concert Hall, Clarice Smith Performing Arts Center, University of Maryland, Route 193 and Stadium Drive, College Park. 301-405-2787.

CAMERATA NORDICA -- Tuesday at 7:30. Kennedy Center Terrace Theater, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).

GMU SYMPHONY ORCHESTRA -- Tuesday at 8. Center for the Arts Concert Hall, George Mason University, 4400 University Dr., Fairfax. 703-218-6500 or 703-993-8888.

ANNANDALE AND FAIRFAX High School Orchestras, Wednesday at 7:30. Free. Annandale High School, 4700 Medford Dr., Annandale. 703-642-4300.

Chamber Groups

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

MENDELSSOHN PIANO TRIO -- Saturday at 8. Good Shepherd Lutheran Church, 16420 S. Westland Dr., Gaithersburg. 301-869-1780.

MENDELSSOHN STRING QUARTET -- Saturday at 8, with pianist Jonathan Bliss. Smith Theatre, Howard Community College, 10901 Little Patuxent Pkwy., Columbia. 410-480-9950.

MARINE CHAMBER ENSEMBLES -- Sunday at 2. Free. George Washington Masonic National Memorial, 101 Callahan Dr., Alexandria. 202-433-4011.

MARQUIS TRIO -- Sunday at 4. Free. St. Patrick's Episcopal Church, 3241 Brush Dr., Falls Church. 703-533-9454.

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

FRANCIS POULENC TRIO -- Sunday at 5:30. Walters Art Museum, 600 N. Charles St., Baltimore. 510-547-9000.

TAKACS STRING QUARTET -- Sunday at 6:30. Free. West Garden Court, National Gallery of Art, Sixth and Constitution NW. 202-842-6941.

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

PRIMA TRIO -- Sunday at 7:30. Unitarian Universalist Congregation of Fairfax, 2709 Hunter Mill Rd., Fairfax. 703-893-9072.

GUARNERI STRING QUARTET -- Monday at 7, in an open rehearsal. Free. Gildenhorn Recital Hall, Clarice Smith Performing Arts Center, University of Maryland, Route 193 and Stadium Drive, College Park. 301-405-2787.

NEW YORK TRIO -- Monday at 7:30. Advance purchase required. Sponsored by the Beethoven Society of America at the Embassy of Germany, 4645 Reservoir Rd. NW. 202-863-2662.

WOODSONG TRIO with marimba player Katarzyna Mycka, Tuesday at 5:30. Free. Gildenhorn Recital Hall, Clarice Smith Performing Arts Center, University of Maryland, Route 193 and Stadium Drive, College Park. 301-405-2787.

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

SHARON ISBIN -- guitarist, and the Zurich Chamber Orchestra, Tuesday at 8. The Music Center at Strathmore, 5301 Tuckerman Lane, North Bethesda. 301-581-5100.

CECILIA BARTOLI -- mezzo- soprano, and Orchestra La Scintilla, Wednesday at 8. Kennedy Center Concert Hall, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).

YING QUARTET -- Thursday at 7:30. Kennedy Center Terrace Theater, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).

DUKE ELLINGTON SCHOOL Instrumental Music Department, Thursday at 7:30. Duke Ellington School of the Arts, 3500 R St. NW. 202-337-7846.

STRATA -- Thursday at 8. Free. Gildenhorn Recital Hall, Clarice Smith Performing Arts Center, University of Maryland, Route 193 and Stadium Drive, College Park. 301-405-2787.

AIR FORCE CHAMBER PLAYERS -- Thursday at 8. Free. John Addison Concert Hall, Harmony Hall Regional Center, 10701 Livingston Rd., Fort Washington. 202-767-5658.

Recitals

MARQUIS DUO -- clarinet/piano, Friday at noon. Free. Arts Club of Washington, 2017 I St. NW. 202-331-7282.

DIANE HEATH -- organist, Saturday at 7. St. Columba's Church, 4201 Albemarle St. NW. 202-363-4119.

EVELYN ELSING -- cellist, and pianist Santiago Rodriguez, Saturday at 8. Gildenhorn Recital Hall, Clarice Smith Performing Arts Center, University of Maryland, Route 193 and Stadium Drive, College Park. 301-405-2787.

JANE BOURDOW -- organist, Sunday at 7. St. Luke's Episcopal Church, 8009 Fort Hunt Rd., Alexandria. 703-765-4342.

MIDORI -- violinist, and pianist Charles Abramovic, Sunday at 7. The Music Center at Strathmore, 5301 Tuckerman Lane, North Bethesda. 301-581-5100.

CHEN SA -- pianist, Monday at 6. Free. Millennium Stage, Kennedy Center Terrace Theater, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).

KATERINA ENGLICHOVA -- harpist, and violist Jitka Hosprova, Thursday at 7:30. Czech Embassy, 3900 Spring of Freedom St. NW. 202-274-9100.

YAEL WEISS -- pianist, Thursday at 8. Embassy of Israel, 3514 International Dr. NW. 202-625-2361.

Choral Groups

CATHOLIC U. CHORUS and Chamber Singers, Saturday at 7:30. St. Matthew's Cathedral, 1725 Rhode Island Ave. NW. 203-319-5414.

VIENNA CHORAL SOCIETY -- Saturday at 7:30. Church of the Holy Comforter, 543 Beulah Rd. NE, Vienna. 703-255-5508.

METROPOLITAN CHORUS -- Saturday at 8, with the Columbia Flute Choir in Hummel's Mass in E-flat. Mount Olivet United Methodist Church, 1500 N. Glebe Rd., Arlington. 703-933-2500.

CHAMBER CHORALE OF Fredericksburg, Sunday at 3. St. George's Episcopal Church, Princess Anne and George streets, Fredericksburg. 540-895-0366.

CHOIR OF WESTMINSTER ABBEY -- Sunday at 4. Washington National Cathedral, Wisconsin and Massachusetts avenues NW. 202-537-5527.

NAVY SEA CHANTERS -- Sunday at 7. St. John's United Methodist Church, 5312 Backlick Rd., Springfield. 202-433-2525.

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