WOLF TRAP OPERA COMPANY -- Friday at 8, "The Sweetest Path." The Barns of Wolf Trap, 1635 Trap Rd., Vienna. 703-218-6500 or 703-938-2404.
NATIONAL SYMPHONY ORCHESTRA -- Friday at 1:30 and Saturday at 8, conducted by Leonard Slatkin with electric guitarist Marc Ribot in Vaughan Williams's "Fantasia on a Theme by Thomas Tallis," Wallace's "Skvera Electric Guitar Concerto" and Stravinsky's "Petrouchka." Thursday at 8, conducted by Leonard Slatkin with commentary by Martin Goldsmith in "Composer Portrait: Ludwig Van Beethoven." Kennedy Center Concert Hall, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).
BALTIMORE SYMPHONY Orchestra -- Friday at 8 and Sunday at 3, conducted by Yuri Temirkanov with cellist Mischa Maisky in Schumann's Cello Concerto in A Minor, Tchaikovsky's "Eugene Onegin" (excerpts), Bach's "Brandenburg Concerto No. 3" and Mozart's Symphony No. 39. Saturday at 8, conducted by Andrew Constantine with guitarists Sharon Isbin, Jim Hll, Paul Galbreath and the Brazilian Guitar Quartet in works by Rodrigo, Jim Hall and Ronaldo Miranda. Joseph Meyerhoff Symphony Hall, 1212 Cathedral St., Baltimore. 410-783-8000 or 800-442-1198.
WASHINGTON BALALAIKA SOCIETY Orchestra -- Friday at 7:30. Mason District Park, Newton W. Edwards Amphitheater, 6621 Columbia Pike, Annandale. 703-941-1730 or 703-324-8680.
NIH COMMUNITY ORCHESTRA -- Saturday at 7:30, in works by Mozart, Vivaldi, Strauss and others. Georgetown Preparatory School, 10900 Rockville Pike, North Bethesda. 301-496-4983.
WASHINGTON BALALAIKA SOCIETY Orchestra, Saturday at 8. The Theatre, 291 Gay St., Washington, Va. 540-675-1253.
COLUMBIA ORCHESTRA -- Conducted by Jason Love in a pops program. Saturday at 8: Rouse Theatre, Wilde Lake High School, 5460 Trumpeter Rd., Columbia. Sunday at 3: Westminster High School, 1225 Washington Rd., Westminster. 410-381-2004.
MOUNT VERNON ORCHESTRA -- Sunday at 5, conducted by Ulysses S. James in Sibelius's Symphony No. 5, Francaix's "L'Horloge de Flore," Beethoven's Piano Concerto No. 1 and Nielsen's Concerto for Flute and Orchestra. West Potomac High School, 6500 Quander Rd., Alexandria. 703-799-8229.
CHANTRY AND MODERN Musick, Sunday at 3, "Music for the Coronation of George II." St. Patrick's Church, 619 10th St. NW. 202-625-2855.
SERAPHIM QUARTET -- Sunday at 6. Free. Riverdale Presbyterian Church, 6513 Queens Chapel Rd., University Park. 301-927-0477.
THE LOS ANGELES GUITAR Quartet and guitarist Albert Lee, Sunday at 7:30. Joseph Meyerhoff Symphony Hall, 1212 Cathedral St., Baltimore. 410-783-8000 or 800-442-1198.
SILVERWINDS FLUTE Ensemble, Wednesday at noon. Free. Brookside Gardens, 1800 Glenallan Ave., Wheaton. 301-962-1400.
FRIDAY MORNING MUSIC CLUB -- Friday at noon. Free. Sumner School Museum, 1201 17th St. NW. 202-333-2075.
HEATHER LEDOUX GREEN -- violist, and pianist Danielle Deswert, Friday at noon. Free. Arts Club of Washington, 2017 I St. NW. 202-331-7282.
SCOTT HANOIAN -- organist, Friday at noon. Free. Old Presbyterian Meeting House, 321 S. Fairfax St., Alexandria. 703-549-6670.
JOHN PEIFFER -- horn, and pianist Judith Harrison, Friday at 7:30. Unitarian Universalist Congregation of Fairfax, 2709 Hunter Mill Rd., Oakton. 703-281-4230.
NICHOLAS ANGELICH -- pianist, Saturday at 2. Kennedy Center Terrace Theater, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).
NING AN -- pianist, Saturday at 8. Gildenhorn Recital Hall, Clarice Smith Performing Arts Center, University of Maryland, Route 193 and Stadium Drive, College Park. 301-405-2787.
PIANO SOCIETY OF GREATER Washington, Sunday at 3. Calvary Lutheran Church, 9545 Georgia Ave., Silver Spring. 301-309-2470.
RON SIPES -- oboist, Sunday at 4. Free. St. Patrick's Episcopal Church, 3241 Brush Dr., Falls Church. 703-533-9454.
DONNA K. BALDWIN AND Risa Kaneko, pianists, Sunday at 4. St. John's United Methodist Church, 5312 Backlick Rd., Springfield. 703-791-4799.
MISCHA MAISKY -- cellist, Sunday at 7. Free. West Garden Court, National Gallery of Art, Sixth and Constitution NW. 202-842-6941.
YOUNG ARTISTS OF THE LAUREL Fund -- 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).
VASILY POPOV AND JEFF VAN Osten, cellists, and pianist Ralitza Patcheva, Tuesday at 12:10. Free. Church of the Epiphany, 1317 G St. NW. 202-347-2635.
FAIRFAX CHORAL SOCIETY -- Saturday at 8, with Anonymous 4 in Richard Einhorn's "Voices of Light," accompanying the silent film "The Passion of Joan of Arc." Schlesinger Arts Center, Northern Virginia Community College, 3001 N. Beauregard St., Alexandria. 703-218-6500 or 703-642-3277.
CAPITOL HILL CHORALE -- Saturday at 7:30 and Sunday at 4, Bernstein's "Chichester Psalms" and Poulenc's "Gloria." St. Peter's Church, Second and C streets SE. 202-547-6839.
CENTREVILLE HIGH SCHOOL Choral Department, Friday and Saturday at 7:30. Centreville High School, 6001 Union Mill Rd., Clifton. 703-989-8057.
GEORGETOWN DAY SCHOOL Honors Chorale, 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).
PILGRIM LUTHERAN CHURCH Junior Choir, Saturday at 7:30. 5500 Massachusetts Ave., Bethesda. 301-229-2800.
POLYHYMNIA -- Saturday at 8. Chinese Christian Church, 7716 Piney Branch Rd., Silver Spring. 301-565-0314.
VOCE -- Saturday at 8: St. John Neumann Church, 11900 Lawyers Rd., Reston. Sunday at 3: Unitarian Universalist Congregation of Fairfax, 2709 Hunter Mill Rd., Oakton. 703-277-7772.
CHILDREN'S CHORUS OF Washington Treble Chorus, Sunday at 3. Meridian International Center, 1630 Crescent Pl. NW. 202-667-6800.
NATIONAL PHILHARMONIC Chorale -- Sunday at 4, with soprano Rosa Lamoreaux, bass Christopheren Nomura, alto Joshua Rosenberg and the National Philharmonic in Bernstein's "Chichester Psalms," Vaughan Williams's "Dona Nobis Pacem" and Barber's "Knoxville: Summer of 1915." National Presbyterian Church, 4101 Nebraska Ave. NW. 301-762-8580.
WASHINGTON MEN'S CAMERATA -- Sunday at 7:30. Kennedy Center Terrace Theater, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).