IN Series
Gluck: Orpheus and Eurydice
Film screening
7:30 p.m. Miracle Theater, Eastern Market
inseries.org; 202-204-7763
September 24
IN Series
Film Screening: Pieces of a Last Act
Wagner: Tristan and Isolde (Act III)
Songs by Wagner
Maribeth Diggle, soprano
Brian Arreola, tenor
7 and 8:15 p.m. Goethe-Institut
inseries.org; 202-204-7763
Through September 28
Stream
Vocal Arts DC
Golda Schultz, soprano
Jonathan Ware, pianist
Tagg: This be her verse
Music by C. Schumann, Clarke, Mayer, Boulanger
vocalartsdc.org; 202-669-1463
September 25
National Symphony Orchestra
Gianandrea Noseda, conductor
Simon: The Block
Ginastera: Estancia – Four Dances
Rimsky-Korsakov: Scheherazade
7 p.m. Kennedy Center Concert Hall
IN Series
Elizabeth Mondragon, mezzo-soprano
Robert Ainsley, pianist
Schumann: Frauenliebe und -leben
7 and 8:30 p.m. Edlavitch DCJCC
inseries.org; 202-204-7763
Baltimore Symphony Orchestra
Dalia Stasevska, conductor
Randall Goosby, violinist
Tarrodi: Wildwood
Bruch: Violin Concerto No. 1
Sibelius: Symphony No. 2
8 p.m. Meyerhoff Symphony Hall
September 26
Thomas Sheehan, organist
Music by Papadakos, Crawford, Silas, Reubke
2 p.m. Washington National Cathedral
Free admission
Brooklyn Rider, string quartet
Shaw: Schisma
Frank: Kanto Kechua No. 2
Du Yun: i am my own achilles’ heel, a form that would never shape
Roberts: borderlands…
Esmail: Zeher (Poison)
Beethoven: String Quartet No. 15
3 p.m. The Clarice
Baltimore Symphony Orchestra
Dalia Stasevska, conductor
Randall Goosby, violinist
Tarrodi: Wildwood
Bruch: Violin Concerto No. 1
Sibelius: Symphony No. 2
3 p.m. Meyerhoff Symphony Hall
Capitol Early Music
Nota Bene, viol consort
Mark Rimple, lutenist
Music of the Renaissance
3 p.m. Saint George’s Episcopal Church, Arlington
IN Series
Teresa Ferrara, soprano
Melissa Wimbish, soprano
Judy Yannini, soprano
Elizabeth Mondragon, mezzo-soprano
Daniel Moody, countertenor
Robert Chafin, tenor
Carl DuPont, baritone
Hui-Chuan Chen, conductor and pianist
Mozart: Requiem (excerpts)
Mozart: Ave Verum Corpus
Bernstein: Symphony No. 3 (“Kaddish”) (excerpts)
Bernstein: Chichester Psalms (excerpts)
Bernstein: West Side Story (excerpts)
4 p.m. 6th & I
inseries.org; 202-204-7763
Eric Silberger, violinist
Orion Weiss, pianist
Music by Grieg, Ravel, Debussy, Beethoven
4 p.m. Castleton Festival
Amadeus Orchestra Strings
A. Scott Wood, conductor
4 p.m. Saint Luke Catholic Church, McLean
Washington Performing Arts
U.S. Air Force Band
Col. Don Schofield, conductor
Luther Adams: Sila: The Breath of the World
5 p.m. Kennedy Center Reach
Free admission
Chiarina Chamber Players
Mozart: String Quintet No. 3
Tchaikovsky: String Sextet in D minor (“Souvenir de Florence”)
7:30 p.m. St. Mark’s Episcopal Church
September 28
Mandy Brown, soprano
Patrick O’Donnell, pianist
Songs on Shakesperean texts
12:10 p.m. Church of the Epiphany
Free admission
September 29
Embassy Series
Nikita Borisevich, violinist
Luke Wedge, violinist
Adjela Lindsay, violist
Jacques-Pierre Malan, cellist
Mozart: String Quartet No. 21
Dvořák: String Quartet No. 12 (“American”)
5 p.m. Embassy of the Czech Republic
Ceylon Mitchell, flutist
8:30 p.m. Strathmore Patio Stage
September 30
National Symphony Orchestra
Gianandrea Noseda, conductor
Hilary Hahn, violinist
Brahms: Violin Concerto
Price: Symphony No. 3
7 p.m. Kennedy Center Concert Hall
October 1
National Symphony Orchestra
Gianandrea Noseda, conductor
Hilary Hahn, violinist
Brahms: Violin Concerto
Price: Symphony No. 3
11:30 a.m. Kennedy Center Concert Hall
Maryland Opera
James Harp, pianist and conductor
7 p.m. Boordy Vineyards
Baltimore Symphony Orchestra
James Conlon, conductor
Dawson: Negro Folk Symphony
Zemlinsky: Die Seejungfrau
8 p.m. Meyerhoff Symphony Hall
Annapolis Symphony Orchestra
José-Luis Novo, conductor
Netanel Draiblate, violinist
Stephenson: Fanfare for Democracy
Garrop: Pandora Undone
Tchaikovsky: Violin Concerto
Ponce: Chapultepec
Debussy: La Mer
8 p.m. Maryland Hall
October 2
Holly Jenkins, violinist
Harrison Miller, bassoonist
Katherine Needleman, oboist and pianist
Music by Mozart, Beach, L. Boulanger, Cueto
11 a.m. An die Musik Live
Alexandria Symphony Orchestra
James Ross, conductor
Michelle Cann, pianist
Beethoven: Symphony No. 5
Gershwin: Rhapsody in Blue
Copland: Fanfare for the Common Man
Coleman: Umoja: Anthem of Unity
7:30 p.m. Schlesinger Concert Hall
National Symphony Orchestra
Gianandrea Noseda, conductor
Hilary Hahn, violinist
Brahms: Violin Concerto
Price: Symphony No. 3
8 p.m. Kennedy Center Concert Hall
Baltimore Symphony Orchestra
James Conlon, conductor
Dawson: Negro Folk Symphony
Zemlinsky: Die Seejungfrau
8 p.m. Meyerhoff Symphony Hall
Annapolis Symphony Orchestra
José-Luis Novo, conductor
Netanel Draiblate, violinist
Stephenson: Fanfare for Democracy
Garrop: Pandora Undone
Tchaikovsky: Violin Concerto
Ponce: Chapultepec
Debussy: La Mer
8 p.m. Maryland Hall
October 3
Alexandria Symphony Orchestra
James Ross, conductor
Michelle Cann, pianist
Beethoven: Symphony No. 5
Gershwin: Rhapsody in Blue
Copland: Fanfare for the Common Man
Coleman: Umoja: Anthem of Unity
3 p.m. Schlesinger Concert Hall
October 4
Washington Bach Consort
Dana Marsh, conductor
Jinsun Cho, organist
Bach: Cantata No. 25 (Es ist nichts Gesundes an meinem Leibe)
Bach: Concerto in D minor (after A. Vivaldi)
12:10 p.m. St. Mark’s, Capitol Hill
October 5
Washington Bach Consort
Dana Marsh, conductor
Jinsun Cho, organist
Bach: Cantata No. 25 (Es ist nichts Gesundes an meinem Leibe)
Bach: Concerto in D minor (after A. Vivaldi)
12:10 p.m. Church of the Epiphany
Free admission
UrbanArias
Inscape Chamber Orchestra
Okpebholo: Unknown
Schyler Vargas, Taylor Raven, Michael Mayes;
Robert Wood, conductor
7:30 p.m. Barns at Wolf Trap
wolftrap.org; 703-255-1868
October 7
Beau Soir Ensemble
Music for flute, viola, and harp
2:15 p.m. Reston Community Center
Free admission
Classical Movements
David Jones, clarinetist
Oleg Rylatko, violinist
Ko Sugiyama, violinist
Allyson Goodman, violist
Amy Frost Baumgarten, cellist
Brahms: Clarinet Quintet
5 and 6:30 p.m. Secret Garden, The Rectory
National Symphony Orchestra
Paavo Järvi, conductor
Jean-Yves Thibaudet, pianist
Tüür: Aditus
Mendelssohn: Piano Concerto No. 1
Tchaikovsky: Symphony No. 5
7 p.m. Kennedy Center Concert Hall
Baltimore Symphony Orchestra
Michael Stern, conductor
Imani Winds, wind quintet
Bartók: Suite from The Miraculous Mandarin
Coleman: Phenomenal Women
Tchaikovsky: Symphony No. 5
8 p.m. Meyerhoff Symphony Hall
October 8 to 19
Stream
Vocal Arts DC
Joshua Hopkins, baritone
Myra Huang, pianist
Heggie: Songs for Murdered Sisters
Songs by Schubert, Debussy, Fauré
vocalartsdc.org; 202-669-1463
October 8
Stream
Anthony McGill, clarinetist
Ian Morin, bassoonist
Billy Hunter, trumpeter
Weston Sprott, trombone player
Jauvon Gilliam, percussionist
Tai Murray, violinist
Xavier Foley, contrabass player
Damien Sneed, pianist and conductor
Zwilich: Romance for violin and piano
Stravinsky: L’Histoire du soldat (Suite)
Marsalis: A Fiddler’s Tale
8 p.m. Library of Congress
October 9
Concerts from Kirkwood
Chuck Siepp, trumpeter
Randall Sheets, organist
3 p.m. Kirkwood Presbyterian Church
21st Century Consort
Christopher Kendall, conductor
5 p.m. St. Mark’s, Capitol Hill
Candlelight Concert Society
Kristóf Baráti, violinist
Roman Rabinovich, pianist
Brahms: Violin Sonata No. 2 (“Thun”)
Bartók: Rhapsody No. 1
Beethoven: Violin Sonata No. 9 (“Kreutzer”)
7:30 p.m. Linehan Hall, UMBC
National Symphony Orchestra
Paavo Järvi, conductor
Jean-Yves Thibaudet, pianist
Tüür: Aditus
Mendelssohn: Piano Concerto No. 1
Tchaikovsky: Symphony No. 5
8 p.m. Kennedy Center Concert Hall
Fairfax Symphony Orchestra
Christopher Zimmerman, conductor
Amit Peled, cellist
Bernstein: “Take Care of this House”
Bernstein: Three Dance Episodes from On The Town
Saint-Saëns: Cello Concerto No. 1
Beethoven: Symphony No. 7
8 p.m. Capital One Hall
October 10
National Symphony Orchestra
Paavo Järvi, conductor
Jean-Yves Thibaudet, pianist
Tüür: Aditus
Mendelssohn: Piano Concerto No. 1
Tchaikovsky: Symphony No. 5
3 p.m. Kennedy Center Concert Hall
Baltimore Symphony Orchestra
Michael Stern, conductor
Imani Winds, wind quintet
Bartók: Suite from The Miraculous Mandarin
Coleman: Phenomenal Women
Tchaikovsky: Symphony No. 5
3 p.m. Music Center at Strathmore
Annapolis Symphony Orchestra Baroque Ensemble
Alex Kovling, horn player
Nicholas Curry and Christian Tremblay, violinists
Corelli: Concerto Grosso, Op. 6, No. 9
Jacob: Concerto for French Horn and Strings
Bach: Brandenburg Concerto No. 3
Bach: Concerto for Two Violins in D minor
3 p.m. Ss. Constantine and Helene Greek Orthodox Church
Livestream
Aizuri Quartet
Beecher: New Work for String Quartet
Beethoven: String Quartet No. 12
Wiancko: Purple Antelope Sound Squeeze
4 p.m. Phillips Collection
October 12
Joseph Kingma, pianist
Brahms: Variations and Fugue on a Theme by Handel
Chopin: Ballade No. 4
12:10 p.m. Church of the Epiphany
Free admission
October 14
Constellations Chamber Concerts
Ling-Ju Lai, pianist
Kristina Bachrach, soprano
Alexander Hahn, bass player
Ellen Hwangbo, pianist
Songs by Coleridge-Taylor, Still, Adams, Musto
Bach: Goldberg Variations
7:30 p.m. Private residence (Potomac, Md.)
Stream
Alice Coote, mezzo-soprano
Christian Blackshaw, pianist
Songs by Tchaikovsky
8 p.m. Library of Congress
October 15
Washington Bach Consort
Dana Marsh, conductor
Charpentier: Missa Assumpta est Maria
7 p.m. Live at 10th and G
Baltimore Lieder Weekend
Joelle Lamarre, soprano
Daniel Schlosberg, pianist
Boykin: Moments in Sonder (Part 1)
Adams: For You
Hailstork: Ventriloquist Acts of God
Price: Night
Price: Song to the Dark Virgin
Price: Piano Sonata (Andante)
Nkeiro Okoye: “I am Moses” from When I Crossed that Line to Freedom
7 p.m. An die Musik Live
Constellations Chamber Concerts
Ling-Ju Lai, pianist
Kristina Bachrach, soprano
Alexander Hahn, bass player
Ellen Hwangbo, pianist
Songs by Coleridge-Taylor, Still, Adams, Musto
Bach: Goldberg Variations
7:30 p.m. Private residence (Potomac, Md.)
October 16
Constellations Chamber Concerts
Ling-Ju Lai, pianist
Kristina Bachrach, soprano
Alexander Hahn, bass player
Ellen Hwangbo, pianist
Songs by Coleridge-Taylor, Still, Adams, Musto
Bach: Goldberg Variations
4 p.m. Private residence (Potomac, Md.)
Washington Bach Consort
Dana Marsh, conductor
Charpentier: Missa Assumpta est Maria
7 p.m. St. Paul’s Episcopal Church, Alexandria
Dumbarton Concerts
Ulysses Quartet
Haydn: String Quartet in B-flat Major (“Sunrise”)
Shostakovich: Two Pieces for String Quartet
Beethoven: String Quartet No. 4
7:30 p.m. Dumbarton United Methodist Church
National Philharmonic
Piotr Gajewski, conductor
Gil Shaham, violinist
Danielle Talamantes, soprano
Ives: Variations on “America”
Dehlinger: The Love Song of J. Alfred Prufrock (world premiere)
Beethoven: Violin Concerto
8 p.m. Music Center at Strathmore
October 17
Baltimore Lieder Weekend
Joelle Lamarre, soprano
Daniel Schlosberg, pianist
Boykin: Moments in Sonder (Part 2)
Davis: “Goddess of the Water” from Amistad
Thompson: Songs of Passion
Walker: Spektra
Carter: Cantata
3 p.m. An die Musik Live
National Philharmonic
Piotr Gajewski, conductor
Gil Shaham, violinist
Danielle Talamantes, soprano
Ives: Variations on “America”
Dehlinger: The Love Song of J. Alfred Prufrock (world premiere)
Beethoven: Violin Concerto
3 p.m. Capital One Hall
Livestream
Min Kwon, pianist
Bond: Sea to Shining Sea
Currier: 23 Variations on America
Danielpour: Desecration
Dorman: A Variation on America the Beautiful
Harbison: Getting the Upper Hand on America
Iyer: Crown Thy Good
Kim: America the Polarized
Larsen: Amber (Variation)
Ludwig: Qaddiš
Muhly: Refine
Ruo: Meditation on “America the Beautiful”
Schoenfeld: Aramaic Fuel Tube
Sandow: America Slow Dance and 12-Tone America
Thomas: Fusion
Weston: A Fantasy on America
Zaimont: In darkness veiled
4 p.m. Phillips Collection
Constellations Chamber Concerts
Ling-Ju Lai, pianist
Kristina Bachrach, soprano
Alexander Hahn, bass player
Ellen Hwangbo, pianist
Songs by Coleridge-Taylor, Still, Adams, Musto
Bach: Goldberg Variations
4 p.m. Private residence (Potomac, Md.)
Paul Groves, tenor
Pedja Mužijevic, pianist
4 p.m. Castleton Festival
Amadeus Concerts
Barclay Brass
4 p.m. Saint Luke Catholic Church, McLean
Jonas Kaufmann, tenor
8 p.m. Kennedy Center Concert Hall
October 19
Akiko Kobayashi, violinist
Bach: Sonatas for solo violin (selections)
Biber: Passacaglia
12:10 p.m. Church of the Epiphany
Free admission
October 20
Dover Quartet
Haochen Zhang, pianist
Schubert: Quartettsatz in C minor
Neikrug: New work for piano quintet
Mendelssohn: String Quartet No. 3
7:30 p.m. Kennedy Center Terrace Theater
October 21
Stream
Augustin Hadelich, violinist
Orion Weiss, pianist
Debussy: Violin Sonata in G Minor
Albeniz: El puerto
Tarrega/Ricci: Recuerdos de la Alhambra
Sarasate: Romanza Andaluza
Beethoven: Violin Sonata No. 9 (“Kreutzer”)
Paganini: Caprices for Solo Violin (selections)
8 p.m. Library of Congress
October 22
The Thirteen
Matthew Robertson, conductor
Monteverdi: Selva morale e spirituale (“Vespers of 1641”)
7:30 p.m. Episcopal High School Chapel
Stream
Folger Consort
Jessica Beebe, soprano
Music of Purcell, Lawes
8 p.m. Folger Shakespeare Library
October 23
The Thirteen
Matthew Robertson, conductor
Monteverdi: Selva morale e spirituale (“Vespers of 1641”)
7:30 p.m. Holy Trinity Catholic Church
Dumbarton Concerts
Cellists of the National Symphony Orchestra
Villa-Lobos: Bachianas Brasileiras
Fauré: Pavane
Penderecki: Agnus Dei
Françaix: Scuola di celli
Lauridsen: O magnum mysterium
Bach: Sarabande in D major
Glass: Quartet No. 2
7:30 p.m. Dumbarton United Methodist Church
Baltimore Symphony Orchestra
Marin Alsop, conductor
Lukáš Vondráček, pianist
Strauss: Till Eulenspiegel’s Merry Pranks
Clyne: Restless Oceans
Clyne: Color Field (world premiere)
Rachmaninoff: Piano Concerto No. 2
8 p.m. Music Center at Strathmore
Virginia Chamber Orchestra
David Grandis, conductor
Brian Ganz, pianist
Mendelssohn: Symphony No. 4 (“Italian”)
Rossini: Overture to The Italian Girl in Algiers
Fauré: Pavane
8 p.m. Capital One Hall
October 24
Wu Han, pianist
Arnaud Sussmann, violinist
Paul Neubauer, violist
David Finckel, cellist
Dvořák: Sonatina in G Major for violin and piano
Suk: Piano Quartet in A minor
Brahms: Piano Quartet No. 1
3 p.m. Barns at Wolf Trap
wolftrap.org; 703-255-1868
Baltimore Symphony Orchestra
Marin Alsop, conductor
Lukáš Vondráček, pianist
Strauss: Till Eulenspiegel’s Merry Pranks
Clyne: Restless Oceans
Clyne: Color Field (world premiere)
Rachmaninoff: Piano Concerto No. 2
3 p.m. Meyerhoff Symphony Hall
Harlem Quartet
Aldo López-Gavilán, pianist
Schumann: Piano Quintet in E-flat Major
López-Gavilán: Viernes de Ciudad
López-Gavilán: Talking to the Universe
López-Gavilán: Eclipse
López-Gavilán: Aegean Dreams
López-Gavilán: Pan con Timba
3 p.m. The Clarice
Livestream
Kit Armstrong, pianist
Byrd: The Bells
Rameau: La Poule
C.P.E. Bach: Fantasia in F# Minor
Beethoven: Piano Sonata No. 14 (“Moonlight”)
Liszt: Dante Sonata
Debussy: Images (Book 1)
4 p.m. Phillips Collection
The Thirteen
Matthew Robertson, conductor
Monteverdi: Selva morale e spirituale (“Vespers of 1641”)
5 p.m. Bradley Hills Presbyterian Church
Washington Master Chorale
Thomas Colohan, conductor
Corlis: Gloria
Mozetich: Flying Swans
Sparr: The Art of Our Healers
Britten: Hymn to St Cecilia
Music by Thomson, Ešenvalds, Raminsh
5 p.m. Church of the Epiphany
Beau Soir Ensemble
Albert: Doppler Effect
Music by women for flute, viola, and harp
7:30 p.m. Strathmore Mansion
October 26
Jinsun Cho, organist
Music by F. Couperin, Franck, Gigout, Dupré, Widor
12:10 p.m. Church of the Epiphany
Free admission
October 28
National Symphony Orchestra
Yan Pascal Tortelier, conductor
Bizet: L’Arlésienne, Suites Nos. 1 and 2 (selections)
Negrón: En otra noche, en otro mundo
Ravel: Daphnis et Chloé
7 p.m. Kennedy Center Concert Hall
October 29
Pan American Symphony Orchestra
Sergio Alessandro Buslje, conductor
Rodolfo Zanetti, bandoneon player
Pablo Estigarribia, pianist
Music by Piazzolla
7:30 p.m. Kennedy Center Terrace Theater
National Symphony Orchestra
Yan Pascal Tortelier, conductor
Bizet: L’Arlésienne, Suites Nos. 1 and 2 (selections)
Negrón: En otra noche, en otro mundo
Ravel: Daphnis et Chloé
8 p.m. Kennedy Center Concert Hall
Stream
Leif Ove Andsnes, pianist
Beethoven: Piano Sonata No. 8 (“Pathétique”)
Grieg: Lyric Pieces (selections)
Dvořák: Poetic Tone Pictures (selections)
8 p.m. Library of Congress
IN Series
Bohème in the Heights
Film Screening with live music
Alex Alburqueque, Louis Riva, Melissa Wimbish, Judy Yannini;
Carlos C. Rodríguez, pianist and conductor
8 p.m. Patterson Theater, Baltimore
October 29 to November 9
Stream
Vocal Arts DC
Luca Pisaroni, bass-baritone
Maciej Pikulski, pianist
Music by Bellini, Puccini, Donizetti, Gounod, Saint-Saëns
vocalartsdc.org; 202-669-1463
October 30
Classical Movements
David Kim, violinist
Jeffrey DeVault, pianist
Handel: Violin Sonata in D major
Prokofiev: Violin Sonata No. 2
Williams: Theme from Schindler’s List
Kreisler: Preludium and Allegro
5 and 6:30 p.m. Secret Garden, The Rectory
Russian Chamber Art Society
Timothy Mix, baritone
Vera Danchenko-Stern, pianist
Sviridov: Petersburg
6 p.m. Private residence
Chantry, chamber choir
David Taylor, conductor
Victoria: Missa O quam gloriosum
Byrd: All Saints Propers
Motets by Lassus and Palestrina
7 p.m. St. Bernadette Church
Choral Arts Symphonic Chorus
Scott Tucker, conductor
Elizabeth Bishop, mezzo-soprano
Copland: In the Beginning
7 p.m. Schlesinger Concert Hall
Candlelight Concert Society
East Coast Chamber Orchestra
Shai Wosner, pianist
Bach: Keyboard Concerto in F Minor
Dean: Approach: Prelude to a Canon
Bach: Brandenburg Concerto No. 6
Norman: Gran Turismo
Bach: Bourée from English Suite in A Minor
Wiancko: Blue Bourée
Bach: Keyboard Concerto in D Major
7:30 p.m. St. Louis Catholic Church
IN Series
Bohème in the Heights
Film Screening with live music
Alex Alburqueque, Louis Riva, Melissa Wimbish, Judy Yannini;
Carlos C. Rodríguez, pianist and conductor
7:30 p.m. GALA Hispanic Theatre
National Symphony Orchestra
Yan Pascal Tortelier, conductor
Bizet: L’Arlésienne, Suites Nos. 1 and 2 (selections)
Negrón: En otra noche, en otro mundo
Ravel: Daphnis et Chloé
8 p.m. Kennedy Center Concert Hall
Baltimore Symphony Orchestra
Steve Hackman, conductor
Dukas: The Sorcerer’s Apprentice
Holst: “Mars” from The Planets
Saint-Saëns: Danse macabre
Shostakovich: Symphony No. 5 (last movement)
Music by Post Malone, Muse, Drake, West
8 p.m. Meyerhoff Symphony Hall
Stream
Third Coast Percussion
Glass/TCP: Aquas da Amazonia: Metamorphosis
Jlin: Perspective: Obscure; Dissonance
Glass/TCP: Aquas de Amazonia: Amazon River
Jlin: Perspective: Paradigm
Braxton: Sunny X
Jlin: Perspective: Embryo; Fourth Perspective; Duality; Derivative
Peacocke: The threshold we cross with closed eyes (world premiere)
8 p.m. Library of Congress
October 31
IN Series
Bohème in the Heights
Film Screening with live music
Alex Alburqueque, Louis Riva, Melissa Wimbish, Judy Yannini;
Carlos C. Rodríguez, pianist and conductor
2 p.m. GALA Hispanic Theatre
NSO Family Concert
Lefrak: Sleepover at the Museum
2 and 4 p.m. Kennedy Center Concert Hall
Livestream
Aaron Diehl, pianist
Tyshawn Sorey, multi-instrumentalist
4 p.m. Phillips Collection