Musical Biographies - A
- Abbott, Emma
- Abel, Karl Friedrich
- Abell, John
- Abert, Johann Joseph
- Abt, Franz
- Acton, John
- Adam, Adolphe Charles
- Adam, Louis
- Adam de la Hale
- Adam von Fulda
- Adamberger, Valentin
- Adamowski, Timothee
- Adams, Suzanne
- Adams, Thomas
- Addison, John
- Adler, Guido
- Adler, Vincent
- Agnelli, Salvatore
- Agnesi, Louis Ferdinand Leopold
- Agramonte, Emilio
- Agricola, Alexander
- Agricola, Johann Friedrich
- Agricola, Martin
- Agujari, Lucrezia
- Aiblinger, Johann Kaspar
- Alard, Jean Delphin
- Albani, Marie Emma
- Albeniz, Isaac
- Albeniz, Pedro
- Albert, Eugen d'
- Albert, Heinrich
- Albertazzi, Emma
- Alberti, Domenico
- Albinoni, Tomasso
- Alboni, Marietta
- Albrecht, Eugen Maria
- Albrechtsberger, Johann Georg
- Alcock, John
- Aldrich, Henry Lord
- Alkan, Charles Henri Valentin
- Allegri, Gregorio
- Allen, George Benjamine
- Allen, Henry Robinson
- Allen, Nathan H.
- Allitsen, Frances
- Allum, Charles E.
- Alsleben, Julius
- Altenburg, Johann Ernst
- Altes, Ernst Eugene
- Altes, Joseph Henri
- Alvarez, Albert Raymond
- Alvary, Max
- Amati family
- Ambros, August Wilhelm
- Ambrose, St. Bishop of Milan
- Amicis, Anna Lucia de
- Ander, Aloys
- Anderson, Mrs. Lucy B.
- Andre, Johann
- Andre, Johann Anton
- Andrée, Elfrida
- Andreozzi, Gaetano
- Andrevi, Francesco
- Andrews, George Whitfield
- Anerio, Felice
- Anerio, Giovanni Francesca
- Anfossi, Pasquale
- Animuccia, Giovanni
- Anshutz, Karl
- Apthorp, William Foster
- Arbos, E. Fernandez
- Arbuckle, Matthew
- Arcadelt, Jacob
- Archer, Frederic
- Arditi, Luigi
- Arens, Franz Xavier
- Arensky, Anton Stepanovitch
- Arienzo, Nicola d'
- Ariosti, Attilio
- Armbruster, Karl
- Armes, Philip
- Armingaud, Jules
- Arne, Michael
- Arne, Thomas Augustine
- Arnold, Johann Gottfried
- Arnold, Maurice Strothotte
- Arnold, Samuel
- Arnoldson, Sigrid
- Arriaga y Balzzola, Juan Crisostomo Jacobo Antonio d'
- Arrieta, Don Juan Emilio
- Arthur, Alfred
- Artot, Alexandre Joseph Montagney
- Artot, Marguerite Josephine Desiree Montagney
- Asantschewsky, Michel von
- Ascher, Joseph
- Ashe, Andrew
- Ashton, Algernon Bennet Langton
- Ashton, Joseph N.
- Asioli, Bonifacio
- Astorga, Emanuele, Baron d'
- Attwood, Thomas
- Auber, Daniel François Esprit
- Audran, Edmond
- Auer, Leopold
- Auguez, Numa
- Aus der Ohe, Adele
- Aylward, Theodore
- Ayrton, Edmund
- Ayrton, William