ConcertsOperaVICTORIAN LYRIC OPERA COMPANYGilbert & Sullivan's "Ruddigore," through Sunday. Friday at 8, Saturday at 8 and Sunday at 2. F. Scott Fitzgerald Theater, 603 Edmonston Rd., Rockville. 240-314-8690. OPERA THEATRE OF NORTHERN VIRGINIA AND TEATRO DE LA LUNAVives's "Bohemios," through March 4. Friday at 8, Saturday at 8 and Sunday at 3. Gunston Arts Center, 2700 S. Lang St., Arlington. 703-548-3092 or 703-528-1433.

OrchestrasNATIONAL SYMPHONY ORCHESTRA Friday at 1:30 and Saturday at 8, conducted by Leonard Slatkin with violinist Janine Jansen in Bates' "Liquid Interface," Mendelssohn's Concerto in E Minor for Violin and Orchestra and Tchaikovsky's Symphony No. 6. Kennedy Center Concert Hall, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).

TAFELMUSIK Friday at 8, "The Four Seasons: A Cycle of the Sun," with pipa player Wen Zhao, sarangi player Aruna Narayan and the Aqsarniit Ensemble. Dekelboum Concert Hall, Clarice Smith Performing Arts Center, University of Maryland, Route 193 and Stadium Drive, College Park. 301-405-2787.

BALTIMORE SYMPHONY ORCHESTRA Friday at 8, Saturday at 8 and Sunday at 3, conducted by Marin Alsop with the Capitol Quartet in Glass's Concerto for Saxophone Quartet and "LIFE: A Journey Through Time," with projections of Frans Lanting's photographs for National Geographic. Thursday at 8, conducted by Marin Alsop with tap dancer Savion Glover in Johnson's "Charleston and Victory Stride," Argento's Tango from "Valentino," Bernstein's Symphonic Dances from "West Side Story" and selections from Ellington's "The River." Joseph Meyerhoff Symphony Hall, 1212 Cathedral St., Baltimore. 410-783-8000 or 800-442-1198.

COLUMBIA ORCHESTRASaturday at 7:30, conducted by Jason Love in Roumain's "Harlem Essay," Beethoven's Symphony No. 6 and other works with winners of the 2007 Young Artist Competition. Rouse Theatre, Wilde Lake High School, 5460 Trumpeter Rd., Columbia. 410-465-8777.

AIR FORCE BANDSunday at 3, with Empire Brass. Free. DAR Constitution Hall, 18th and D NW. 202-767-5658.

GEORGE MASON U. SYMPHONY ORCHESTRASunday at 3, conducted by Leonard Slatkin in Dvorak's "New World" Symphony and Vincent Oppido's "Celebrations." Center for the Arts Concert Hall, George Mason University, 4400 University Dr., Fairfax. 888-945-2468 or 703-993-8888.

U. OF MARYLAND REPERTOIRE ORCHESTRAMonday at 8, conducted by Daniel Chetel and Takuya Nishiwaki in Dvorak's Symphony No. 8 and other works. Free. Dekelboum Concert Hall, Clarice Smith Performing Arts Center, University of Maryland, Route 193 and Stadium Drive, College Park. 301-405-2787.

GEORGE MASON U. BAND AND WIND SYMPHONYWednesday at 8. Center for the Arts Concert Hall, George Mason University, 4400 University Dr., Fairfax. 888-945-2468 or 703-993-8888.

ARMY CONCERT BANDThursday at 7:30. Free. Kenmore Middle School, 200 S. Carlin Springs Rd., Arlington. 703-696-3399.

Chamber GroupsWINDSCAPEFriday at 8. The Barns at Wolf Trap, 1635 Trap Rd., Vienna. 877-965-3872 or 703-938-2404. AIR FORCE CHAMBER PLAYERSFriday at 8. Free. George Washington Masonic National Memorial, 101 Callahan Dr., Alexandria. 202-767-5658.

THE HANTAI BROTHERS & FRIENDSFriday 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.

NATIONAL SYMPHONY ORCHESTRA ENSEMBLESSaturday at 6. Free. Millennium Stage, Kennedy Center Grand Foyer, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).

BERLIN PIANO QUARTETSaturday at 8, "A Winter Romance." Dumbarton Concerts, Dumbarton Church, 3133 Dumbarton St. NW. 02-965-2000.

MARINE CHAMBER ENSEMBLESSunday at 2. John Philip Sousa Band Hall, Marine Barracks Annex, 600 Virginia Ave. SE. 202-433-4011.

THE POLARIS TRIOSunday at 3. Alden Theatre, McLean Community Center, 1234 Ingleside Ave., McLean. 703-790-9223.

ROCK CREEK CHAMBER PLAYERSSunday at 4. Free. Christ Lutheran Church, 8011 Old Georgetown Rd., Bethesda. 202-337-8710.

LEVINE SCHOOL OF MUSIC ENSEMBLESSunday at 4. THEARC, 1901 Mississippi Ave. SE. 202-686-8000.

"NSO YOUTH ORCHESTRA DAY"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).

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

WASHINGTON MUSICA VIVATuesday at 7:30. Czech Embassy, 3900 Spring of Freedom St. NW. 202-274-9100.

FESSENDEN ENSEMBLETuesday at 8. St. Columba's Episcopal Church, 4201 Albemarle St. NW. 202-362-2390.

MUSICA ANTIQUA OF MARYLANDWednesday at 7. Marikle Chapel of the Annunciation, College of Notre Dame, 4701 N. Charles St., Baltimore. 410-532-5386.

THE ARTIS-QUARTETT WIENWednesday 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.

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

ADRIA McCULLOUGHsoprano, and pianist Scott Crowne, Friday at noon. Free. Arts Club of Washington, 2017 I St. NW. 202-331-7282.

ERICA WEBBERsoprano, and pianist Douglas Beck, Friday at 7. Arlington Arts Center, 3550 Wilson Blvd., Arlington. 703-248-6800.

CHRISTOPHER SCHMITTFriday at 8. Alden Theatre, McLean Community Center, 1234 Ingleside Ave., McLean. 703-790-9223.

ROBERT GROGANorganist, Saturday at noon. Free. Franciscan Monastery, 1400 Quincy St. NE. 202-526-6800.

METROPOLITAN OPERA AUDITIONSSaturday at 1, the 2007 Middle Atlantic Regional Finals of the Metropolitan Opera National Council Auditions. Kennedy Center Terrace Theater, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).

"MUSIC FROM JAPAN"Saturday at 7:30, with biwa player Juniko Tahara, flutist Kohei Nishikawa and percussionist Akikuni Takahashi. Free, but tickets required. Meyer Auditorium, Freer Gallery of Art, 12th and Independence SW. 202-633-1000 (TDD: 202-357-1729).

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

JEFFREY SIEGELpianist, Sunday at 3. Center for the Arts Concert Hall, George Mason University, 4400 University Dr., Fairfax. 888-945-2468 or 703-993-8888.

ISIS ENSEMBLE DUOflute/piano, Sunday at 3. Free. Kensington Baptist Church, 10100 Connecticut Ave., Kensington. 301-942-4400.

STEPHEN BEUSpianist, Sunday at 4. The Phillips Collection, 1600 21st St. NW. 202-387-2151.

MALINDA DIX-HUNTsoprano, and pianist Michael Crabill, Sunday at 4. Free. First Trinity Lutheran Church, Fourth and E NW. 202-737-4859.

"AMADEUS CONCERTS YOUNG ARTIST SHOWCASE"Sunday at 4. St. Francis Episcopal Church, 9220 Georgetown Pike, Great Falls. 703-759-5334.

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

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

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

JOYCE DIDONATOmezzo-soprano, and pianist Julius Drake, Tuesday at 7:30. Kennedy Center Terrace Theater, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).

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

Choral GroupsD.C. BOYS CHOIRSaturday at 7:30. St. Francis of Assisi Church, 6701 Muncaster Mill Rd., Derwood. 301-840-1407.

GAY MEN'S CHORUS OF WASHINGTONSaturday at 8, "Let All Men Sing!" Church of the Epiphany, 1317 G St. NW. 202-293-1548.

CHORAL ARTS SOCIETY OF WASHINGTONFriday at 12:30. Free. Borders Books, 18th and L NW. 202-466-4999.