Alle Orchester und ensembles in alphabetischer Reihenfolge (A)

A 2 Violes Esgales

Aachener Bachverein
AACHEN

Aachener Domchor

Aalborg Symphony Orchestra

Aarhus Symfoniorkester

---

Abegg Trio

Abel-Steinberg-Winant Trio

Aborn Opera Company

ABS-CBN Philharmonic Orchestra

Academy Of Ancient Music

---

Academy Of St Martin In The Fields

Academy Of St Martin In The Fields Chamber Ensemble

Accademia Bizantina
RAVENNA

Accademia Daniel

Accademia Filarmonica Romana

---

Accentus Austria

Accentus (Kammerchor)

Acies

ACM Gospel Choir

Adelaide Symphony Orchestra

---

Adventist University Of The Philippines Ambassadors

Aeolian Chamber Players

Aeolian Quartet

A Far Cry

Affabre Concinui

---

African Children’S Choir

Agrupación Coral De Cámara De Pamplona

Ahn Trio

Akadêmia

Akademie Für Alte Musik Berlin

---

Akademiska Sångföreningen

Akron Symphony Orchestra

Akron Youth Symphony

Akustika Chamber Singers

Alabama Symphony Orchestra

---

Alamire

Alarm Will Sound

Al Ayre Español

Alba

Alban Berg Ensemble Wien

---

Alban Berg Quartett

Albany Symphony Orchestra

Albion College Symphony Orchestra

Albion Quartet

Albuquerque Youth Symphony

---

ALEA Ensemble

Alexandria Harmonizers

Alexandrow-Ensemble

Alia Musica

Alla Francesca

---

Allegri Quartet

Allentown Band
ALLENTOWN

Allentown Symphony Orchestra

Alma Quartet

Altenberg Trio

Alvarez Chamber Orchestra

Amadeus-Quartett

Amar-Quartett (Frankfurt Am Main)

Amaryllis Chamber Ensemble

---

Amazonas Baroque Ensemble

Amazonas Filarmônica

Ambrosian Singers

American Bach Soloists

American Classical Orchestra

American Composers Orchestra

---

American Heritage Lyceum Philharmonic

American Lyric Theater

American Modern Ensemble

American Opera Company

American Opera Projects

American Opera Society

---

American Symphony Orchestra

American West Symphony Of Sandy

American Wind Symphony Orchestra

American Youth Symphony

Amici Cantus

Amici Musicae

---

Amiina

Amsterdam Baroque Orchestra & Choir

Anchorage Symphony Orchestra

Anchorage Youth Symphony

Angel City Chorale

Angelis

---

Anhaltische Philharmonie

Anima

Anima Eterna Brugge

Annapolis Symphony Orchestra

Ann Arbor Symphony Orchestra

Anonymous 4

---

Antalya State Symphony Orchestra

Antwerp Symphony Orchestra
ANTWERPEN

Anúna

apollo5

Apollo Club Of Boston

Apollon Musagète Quartett

---

Appalachian Symphony Orchestra

Arab Youth Philharmonic Orchestra

Aranis

Arbeitskreis Musik In Der Jugend

Arcis Saxophone Quartet

Ardenza Trio

---

Arditti Quartett

Argentine National Symphony Orchestra

Ariel Quartet

Arizona Opera

Arkansas Symphony Orchestra

Armenian National Philharmonic Orchestra

Armida Quartett

Arnold Schoenberg Chor

Ars Flores Symphony Orchestra

Ars Nova

Ars Nova Copenhagen

Ars Rediviva

---

Arsys Bourgogne

Artaserse

Artecombo

Artemis Quartett

ARTE Quartett

Artis-Quartett

Artists' Vocal Ensemble

---

Asasello Quartett

Ascolta
STUTTGART

A Sei Voci

Asheville Lyric Opera

Asheville Symphony Orchestra

Ash Lawn Opera

Asian Youth Orchestra

---

Asko Ensemble
AMSTERDAM

Asteria Medievale

Astoria Symphony

Athelas Sinfonietta Copenhagen

Athens Symphony Orchestra

Atlanta Chamber Winds

Atlanta Symphony Orchestra
ATLANTA

---

Atlanta Symphony Youth Orchestra

Atlantic Symphony Orchestra

ATOS-Trio

Atrium Musicae De Madrid

Attacca Quartet

Auckland Philharmonia Orchestra

Auckland Symphony Orchestra

---

Auckland Youth Symphonic Band

Augusta Symphony Orchestra

Augusta Symphony Orchestra
AUGUSTA

Auryn Quartett

Auser Musici

Austin Lyric Opera

Austin Symphony Orchestra

---

Australia Ensemble

Australian Boys' Choir

Australian Chamber Orchestra

Australian Opera And Ballet Orchestra

Australian Youth Orchestra
NEW SOUTH WALES

Avanti! Chamber Orchestra

Avison Ensemble

---

Aviv String Quartet

Ąžuoliukas

Kloster Santo Domingo De Silos
SANTO DOMINGO DE SILOS

Staatliches Aserbaidschanisches Sinfonieorchester