SEPTEMBER

18 -- Washington National Opera, "Billy Budd," 7 p.m. At the Kennedy Center Opera House.

20 -- Kathleen Battle, soprano, presented by WPAS, 8 p.m. At the Kennedy Center Concert Hall.

21 -- Guarneri String Quartet, 5 p.m. At the Clarice Smith Performing Arts Center.

23 -- Michael Appleman, violin, and Alexander Paley, piano, 7:30 p.m. At Strathmore Hall.

25 -- Mikhail Simonyan, violin, and Alexei Podkorytov, piano, 2 p.m. At Kennedy Center Terrace Theater.

26 -- Washington Bach Consort, 3 p.m. At the National Presbyterian Church.

26 -- National Symphony Orchestra, Season Opening Ball Concert, 6 p.m. At the Kennedy Center Concert Hall. A celebration of the 60th birthday of Leonard Slatkin. Cast includes Midori, Joshua Bell, Itzhak Perlman, Pinchas Zukerman, James Galway, Murry Sidlin.

26 -- Vocal Arts Society presents Nathaniel Webster, baritone, 2 p.m. At Kennedy Center Terrace Theater.

29 -- Liebeslieder Waltzes, 8 p.m. At the Clarice Smith Center. Music by Brahms and Schumann.

30 -- National Symphony Orchestra, Joshua Bell, violin, 7 p.m. At the Kennedy Center Concert Hall. Mendelssohn, Janacek and others.

OCTOBER

2 -- Awadagin Pratt, piano, 8 p.m. At the F. Scott Fitzgerald Theatre.

2-3 -- Quartets Plus One: Stradivarius and Amati, 8 p.m. At the National Museum of American History.

5 -- Chee-Yun, violin, Barry Douglas, piano, 7:30 p.m. At Kennedy Center Terrace Theater.

5 -- I Musici de Montreal, 8 p.m. At the Library of Congress. Canada's internationally renowned chamber orchestra.

7 -- New Zealand String Quartet, 7:30 p.m. At Strathmore.

9 -- Academy of St. Martin in the Fields, 8 p.m. At the George Mason University Center for the Arts.

10 -- Emerson String Quartet, 6 p.m. At the National Museum of Natural History.

12 -- Embassy Series presents Wolfgang Holzmair, baritone, 8 p.m. At the Embassy of Austria.

12 -- Vocal Arts Society presents Bernarda Fink, mezzo-soprano, 7:30 p.m. At Kennedy Center Terrace Theater.

14 -- Icelandic Music, 7 p.m. At the Corcoran Gallery of Art.

15 -- Takacs Quartet, 8 p.m. At the Corcoran Gallery of Art.

15 -- Virginia Opera, "Turandot," 8 p.m. At the George Mason University Center for the Arts.

16 -- 21st Century Consort: Slow Boat to the Universe, 5 p.m. At the Hirshhorn Museum & Sculpture Garden.

16 -- Gewandhaus Orchestra of Leipzig, 4:30 p.m. At the Kennedy Center Concert Hall. Johannes Brahms.

17 -- Songs of the Earth, Delores Ziegler, mezzo-soprano, 3 p.m. At the Clarice Smith Performing Arts Center. Mahler's "Das Lied von der Erde."

19 -- Vocal Arts Society presents Michael Schade, tenor, and Russell Braun, baritone, 7:30 p.m. At Kennedy Center Terrace Theater.

20 -- Panocha Quartet, 8 p.m. At the Library of Congress. Haydn, Smetana, Dvorak.

21-22 -- Embassy Series presents the Zurich Trio, 8 p.m. At the Embassy of Switzerland.

22 -- St. Petersburg Philharmonic Orchestra, 8 p.m. At the George Mason University Center for the Arts.22 -- Andrew Willis, former keyboardist for the Philadelphia Orchestra, 7:30 p.m. At Strathmore.

23 -- Washington National Opera, "Il Trovatore," 7 p.m. At the Kennedy Center Opera House.

24 -- Van Cliburn Winner: Paul Anthony Romero, 4 p.m. At National Museum of American History.

24 -- English Concert, Andrew Manze, conductor, 7:30 p.m. At the Clarice Smith Performing Arts Center. Mozart, Haydn, Locatelli.

24 -- Cathedral Choral Society, Verdi Requiem, 4 p.m. At Washington National Cathedral.

26 -- Election Singers, 8 p.m. At the Library of Congress. Works from the Library's collections of Berlin, Gershwin and campaign songs.

27 -- Maurizio Pollini, piano, presented by WPAS, 8 p.m. At the Kennedy Center Concert Hall. Beethoven and Chopin.

28 -- Steven Schick, percussion, 8 p.m. At the Fine Arts Recital Hall, University of Maryland, Baltimore.

31 -- Ivo Pogorelich, pianist, 4 p.m. At the George Mason University Center for the Arts.

NOVEMBER

1 -- KalichsteinLaredo-Robinson Trio, 7:30 p.m. At Kennedy Center Terrace Theater.

2 -- Trio Solisti, presented by WPAS, 7:30 p.m. At Kennedy Center Terrace Theater. Washington area debut.

3 -- Kopelman Quartet, 8 p.m. At the Library of Congress. Prokofiev, Miaskovsky, Tchaikovsky.

4-5 -- Washington Savoyards, "La Perichole," 8 p.m. At the Duke Ellington Theatre.

4 -- Ying Quartet with Mike Seeger, 8 p.m. At the Clarice Smith Performing Arts Center.

4 -- Amy Lin, piano, 7:30 p.m. At Strathmore.

6-7 -- Washington Savoyards, "La Perichole," 2:30 p.m. At the Duke Ellington Theatre.

6 -- St. Luke's Chamber Ensemble, 2 p.m. At Kennedy Center Terrace Theater.

6 -- Washington National Opera, Federico Moreno Torroba: "Luisa Fernanda," 7 p.m. At the Kennedy Center Opera House. The only opera Placido Domingo will sing in Washington this season.

6 -- New York Festival of Song, 8 p.m. At the Clarice Smith Performing Arts Center.

7 -- Masterworks of Five Centuries, 7:30 p.m. by the Smithsonian Chamber Music Society. At the National Museum of American History.

7 -- Gil Shaham, violin, and Orli Shaham, piano, presented by WPAS, 3 p.m. At the Kennedy Center Concert Hall. Mozart and Prokofiev.

7 -- Choral Arts Society presents Brent Michael Davids's "We the People" and Carl Orff's "Carmina Burana," 8 p.m. At the Kennedy Center Concert Hall.

9 -- Le Concert Spirituel, 8 p.m. At the Library of Congress. The 300th anniversary of Marc-Antoine Charpentier's death.

13 -- Dresden Philharmonic, 8 p.m. At the George Mason University Center for the Arts.

13 -- Baltimore Opera Company, Vincenzo Bellini's "I Puritani," 8:15 p.m. At the Lyric Opera House.

14 -- Master Chorale of Washington, Mozart Requiem, 3 p.m. At the Kennedy Center Concert Hall.

17 -- Bang on a Can All Stars with Philip Glass, 8 p.m. At the Clarice Smith Performing Arts Center.

18 -- National Symphony Orchestra, Leon Fleisher, piano, 7 p.m. At the Kennedy Center Concert Hall. Beethoven's "Emperor" Concerto.

18 -- Nicolas Kendall, 7:30 p.m. At Strathmore.

20 -- Cantate Chamber Singers, 8 p.m. At St. Paul's Lutheran Church.

20 -- Bach Sinfonia, 8 p.m. At Strathmore Hall. Brandenburg concertos on period instruments.

20 -- 21st Century Consort: Flute of the Moon, 5 p.m. At the Hirshhorn Museum & Sculpture Garden.

21 -- Masterworks of Five Centuries, 7:30 p.m. by Smithsonian Chamber Music Society. At the National Museum of American History.

21 -- Washington Chorus, Bach Mass in B Minor, 3 p.m. At the Kennedy Center Concert Hall.

21 -- Vocal Arts Society presents Measha Brueggergosman, soprano, 2 p.m. At Kennedy Center Terrace Theater.

27 -- Dynamic Animation, chamber orchestra, 8 p.m. At the F. Scott Fitzgerald Theatre.

29 -- Philadelphia Orchestra, Nadja Salerno-Sonnenberg, violin, 7:30 p.m. At the Kennedy Center Concert Hall. Mendelssohn and Rachmaninoff.

30 -- Embassy Series presents Christopher Ungerer, piano, 8 p.m. At the Embassy of Germany.

DECEMBER

3 -- A Chanticleer Christmas, 8 p.m. At the George Mason University Center for the Arts.

3 -- Cathedral Choral Society, "Messiah," 7:30 p.m. At the Washington National Cathedral.

4 -- Emerson String Quartet, 6 p.m. At National Museum of Natural History.

10 -- Fanfare Consort: In Sweet Joy, 8 p.m. At the Library of Congress. Music for the winter season from the Christian and Jewish traditions.

11 -- Roberto Cominati, piano, presented by WPAS, 2 p.m. At Kennedy Center Terrace Theater. Debussy and Schumann.

12 -- Masterworks of Five Centuries, 7:30 p.m. by the Smithsonian Chamber Music Society. At the National Museum of American History.

12 -- New Dominion Chorale, "Messiah." 4 p.m. At the Rachel M. Schlesinger Concert Hall.

12 -- Tallis Scholars, 7:30 p.m. At Kennedy Center Terrace Theater.

12 -- Vienna Choir Boys, 3 p.m. At Meyerhoff Symphony Hall.

12 -- Cantate Chamber Singers, 8 p.m. At Grace Episcopal Church.

13 -- Choral Arts Society presents Christmas music, 7 p.m. At the Kennedy Center Concert Hall. Also Dec. 19 at 8:30 and Dec. 23 at 1:30.

14 -- Beaux Arts Trio: 50th Anniversary Season, 8 p.m. At the Library of Congress.

16 -- National Symphony Orchestra, "Messiah," 7 p.m. At the Kennedy Center Concert Hall.

17 -- Juilliard String Quartet, 8 p.m. At the Library of Congress.

18 -- Washington Chorus, music for Christmas, 2 p.m. At the Kennedy Center Concert Hall. Also Dec. 21-22 at 8 p.m.

JANUARY

5 -- Miriam Fried and Jonathan Biss, 7:30 p.m. At the National Museum for Women in the Arts Auditorium.

7 -- Folger Consort, "When Notre Dame Was New," 8 p.m. At Washington National Cathedral.

9 -- Choral Arts Society presents the 17th annual Choral Tribute to Dr. Martin Luther King Jr., 7:30 p.m. At the Kennedy Center Concert Hall.

27-28 -- Baltimore Symphony Orchestra, "Mendelssohn With Morgan State," 8 p.m. Meyerhoff Symphony Hall.

27-29 -- Embassy Series presents a Mini-Mozart Festival, 8 p.m. At the Embassy of Austria.

28 -- Washington National Opera presents "Democracy: An American Comedy." At Lisner Auditorium.

30 -- Opera Verdi Europa, "Carmen," 4 p.m. At the George Mason University Center for the Arts.

Chanticleer will bring its Christmas program to George Mason on Dec. 3.Pianist Maurizio Pollini will play Beethoven and Chopin next month.Philip Glass and the Bang on a Can All Stars visit College Park in November.

Awadagin Pratt performs at Rockville's F. Scott Fitzgerald Theatre in October.