Daftar komponis
A

Mary Anne à Beckett (1817–1863)
Michel van der Aa (kelahiran 1970)
Thorvald Aagaard (1877–1937)
Truid Aagesen (fl. 1593–1625)
Heikki Aaltoila (1905–1992)
Juhan Aavik (1884–1982)
Evaristo Felice Dall'Abaco (1675–1742)
Joseph Abaco (dall'Abaco) (1710–1805)
Antonio Maria Abbatini (c. 1595–1680)
Gamal Abdel-Rahim (1924–1988)
Mohamed Abdelwahab Abdelfattah (kelahiran 1962)
Keiko Abe (kelahiran 1937)
Rosalina Abejo (1922–1991)
Carl Friedrich Abel (1723–1787)
Clamor Heinrich Abel (1634–1696)
Ludwig Abel (1835–1895)
Mark Abel (kelahiran 1948)
Michael Abels (kelahiran 1962)
Peter Abelard (1079–1142)
Nicanor Abelardo (1893–1934)
David Abell (meninggal c. 1576)
John Abell (1653–setelah 1724)
Walter Abendroth (1896–1973)
Jan Håkan Åberg (kelahiran 1916)
Lasse Åberg (kelahiran 1940)
Johann Joseph Abert (1832–1915)
4th Earl of Abingdon (Willoughby Bertie) (1740–1799)
Peter Ablinger (kelahiran 1959)
Lora Aborn (1907–2005)
Girolamo Abos (1715–1760)
Paul Abraham (1892–1960)
Maurice Abrahams (1883–1931)
Mahdyar Aghajani (kelahiran 1989)
Hans Abrahamsen (kelahiran 1952)
Harriett Abrams (1758–1821)
Alexander Abramsky (1898–1985)
Kornél Ábrányi (1822–1903)
Zequinha de Abreu (1880–1935)
Ayoob Tarish Absi (kelahiran 1942)
Jean Absil (1893–1974)
Franz Abt (1819–1885)
Henry Abyngdon (c. 1418–1497)
Filippo Acciaiuoli (1637–1700)
Jean-Baptiste Accolay (1833–1900)
Joseph Achron (1886–1943)
Dieter Acker (1940–2006)
Marcial del Adalid (1826–1881)
Adolphe Adam (1803–1856)
Bernat Adam Ferrero [ca] (kelahiran 1942)
Mark Adamo (kelahiran 1962)
Alton Augustus Adams, Sr. (1889–1987)
H. Leslie Adams (kelahiran 1932)
John Adams (kelahiran 1947)
John Luther Adams (kelahiran 1953)
Stephen Adams (Michael Maybrick) (1841–1913)
Thomas Adams (1785–1858)
Ella Adayevskaya (Elisabeth Schultz-Adaïewsky) (1846–1926)
Richard Addinsell (1904–1977)
John Addison (c. 1765–1844)
John Addison (1920–1998)
Thomas Adès (kelahiran 1971)
Vasif Adigezalov (1935–2006)
Hugo Adler (1894–1955)
Lawrence Cecil Adler (1914–2001)
Samuel Adler (kelahiran 1928)
Anton Cajetan Adlgasser (1729–1777)
Bruce Adolphe (kelahiran 1955)
Olle Adolphson (1934–2004)
Theodor W. Adorno (1903–1969)
Emmanuel Adriaenssen (c. 1554–1604)
John Adson (c. 1587–1640)
Josina van Aerssen (1733–1797)
Nikolay Afanas'yev (1820–1898)
Zeca Afonso (1929–1987)
Agostino Agazzari (1578–1640)
Klaus Ager (kelahiran 1946)
Milton Ager (1893–1979)
François d'Agincourt (1684–1758)
Maria Teresa Agnesi (1720–1795)
Lejla Agolli (kelahiran 1950)
Lodovico Agostini (1534–1590)
Paolo Agostino (c. 1583–1629)
Johan Agrell (1701–1765)
Alexander Agricola (c. 1446–1506)
Johann Friedrich Agricola (1720–1774)
Martin Agricola (1486–1556)
Dionisio Aguado (1784–1849)
Graciela Agudelo (kelahiran 1945)
Ernani Aguiar (kelahiran 1950)
Miguel del Águila (kelahiran 1957)
Sebastian Aguilera de Heredia (1561–1627)
Eden Ahbez (1908–1995)
Johann Georg Ahle (1651–1706)
Johann Rudolph Ahle (1625–1673)
Countess Maria Theresia Ahlefeldt (1755–1810)
Jacob Niclas Ahlström (1805–1857)
Ahn Eak-tai (1906–1965)
Oscar Ahnfelt (1813–1882)
Kalevi Aho (kelahiran 1949)
Sieglinde Ahrens (kelahiran 1936)
Gregor Aichinger (c. 1565–1628)
Bartholomäus Aich (abad ke-17)
Karl Stefan Aichelburg (1782–1817)
John Akar (1927–1975)
Doris Akers (1923–1995)
Toshiko Akiyoshi (kelahiran 1929)
Necil Kazım Akses (1908–1999)
Yasushi Akutagawa (1925–1989)
Jehan Alain (1911–1940)
Alamanda de Castelnau (fl. bagian kedua dari abad ke-12)
Pierre Alamire (Peter van den Hove) (c. 1470–1536)
Johannes Alanus (fl. akhir abad ke-14 atau awal abad ke-15)
Jean-Delphin Alard (1815–1888)
Isaac Albéniz (1860–1909)
Mateo Pérez de Albéniz (1755–1831)
Pedro Albéniz y Basanta (1795–1855)
Pedro Alberch Vila (1517–1582)
Petur Alberg (1885–1940)
Eleanor Alberga (kelahiran 1949)
Pirro Albergati (1663–1735)
Sebastián de Albero [es] (1722–1756)
Eugen d'Albert (1864–1932)
Heinrich Albert (1604–1651)
Stephen Albert (1941–1992)
Thomas Albert (kelahiran 1948)
Domenico Alberti (c. 1710–1740)
Gasparo Alberti (c. 1489–c. 1560)
Giuseppe Matteo Alberti (1685–1751)
Innocentio Alberti (c. 1535–1615)
Johann Friedrich Alberti (1642–1710)
Ignazio Albertini (1644–1685)
Joachim Albertini (1748–1812)
Henrico Albicastro (von Weissenburg) (c. 1660–setelah 1730)
Tomaso Albinoni (1671–1751)
Charles Albrecht (1817–1895)
Johann Georg Albrechtsberger (1736–1809)
William Albright (1944–1998)
Mark Alburger (kelahiran 1957)
Nilo Alcala (kelahiran 1978)
Macedonio Alcalá (1831–1869)
Luna Alcalay (1928–2012)
José Bernardo Alcedo (1788–1878)
Michael Alcorn (kelahiran 1962)
Amancio Jacinto Alcorta (1805–1862)
Casimiro Alcorta (1840–1913)
Henry Aldrich (1647–1710)
Amanda Ira Aldridge (1866–1956)
Robert Aldridge (kelahiran 1954)
Giuseppe Aldrovandini (1671–1707)
Vittoria Aleotti (c. 1575–setelah 1620)
Leni Alexander (1924–2005)
Liana Alexandra (kelahiran 1947)
Franco Alfano (1875–1954)
Alfonso X of Castile (1221–1284)
Kenneth J. Alford (1881–1945)
Hugo Alfvén (1872–1960)
Charlotte Alington Barnard (1830–1869)
Francesc Alió (1862–1908)
Franghiz Ali-Zadeh (kelahiran 1947)
Charles-Valentin Alkan (1813–1888)
Siegfried Alkan (1858–1941)
Esther Allan (1914–1985)
Gregorio Allegri (1582–1652)
Steve Allen (1921–2000)
Pedro Humberto Allende (1885–1959)
Juan Allende-Blin (kelahiran 1928)
Kristi Allik (kelahiran 1952)
Richard Allison (1560/1570?–1610?)
Frances Allitsen (1848–1912)
Francisco António de Almeida (c. 1702–1755)
João Pedro de Almeida Mota (1744–1817)
Laurindo Almeida (1917–1995)
Atso Almila (kelahiran 1953)
Carl Jonas Love Almqvist (1793–1866)
Eyvind Alnæs (1872–1932)
Daniel Alomía Robles (1871–1942)
Francisco Alonso (1887–1948)
Eduardo Alonso-Crespo (kelahiran 1956)
Yardena Alotin (1930–1994)
Birgitte Alsted (kelahiran 1942)
Johann Ernst Altenburg (1734–1801)
Michael Altenburg (1584–1640)
Martha Alter (1904–1976)
Johann Christoph Altnickol (1720–1759)
Fermín María Álvarez (1833–1898)
Antonio Álvarez Alonso (1867–1903)
Miguel Álvarez-Fernández (kelahiran 1979)
Elias Parish Alvars (1808–1849)
Maria de Alvear (kelahiran 1960)
Berta Alves de Sousa (1906–1997)
William Alwyn (1905–1985)
Alexander Alyabyev (1787–1851)
Maryanne Amacher (kelahiran 1943)
Filippo Amadei (c. 1665–c. 1725)
Amalia Catharina, Countess of Erbach (1640–1697)
Amalie, Princess of Saxony (1794–1870)
Amaradeva (kelahiran 1927)
Joan Albert Amargós (kelahiran 1950)
Miguel de Ambiela (1655–1733)
August Wilhelm Ambros (1816–1876)
Marco Ambrosini (kelahiran 1964)
Hermann Ambrosius [de] (1897–1983)
Bjarne Amdahl (1903–1968)
René Amengual (1911–1954)
Jean-Claude Amiot (kelahiran 1939)
Emanuel Amiran-Pougatchov (1909–1993)
Charles Amirkhanian (kelahiran 1945)
Elias Nikolaus Ammerbach (c. 1530–1597)
Ammiya (c. 1400 BC)
John Amner (1579–1641)
Cataldo Amodei (c. 1650–c. 1695)
David Amram (kelahiran 1930)
Gilbert Amy (kelahiran 1936)
Juan de Anchieta (1462–1523)
Solange Ancona (kelahiran 1943)
Laura Andel (kelahiran 1968)
Gwyneth Van Anden Walker (kelahiran 1947)
Avril Anderson (kelahiran 1953)
Beth Anderson (kelahiran 1950)
Johann Andreas Amon (1763–1825)
Fritz Andersen (1829–1910)
Joachim Andersen (1847–1909)
Julian Anderson (kelahiran 1967)
Laurie Anderson (kelahiran 1947)
Leroy Anderson (1908–1975)
T. J. Anderson (kelahiran 1928)
Tom Anderson (1910–1991)
Rafael Andia (kelahiran 1942)
Ruth Anderson (1928–2019)
Johann André (1741–1799)
Elfrida Andrée (1841–1929)
Kerry Andrew (kelahiran 1978)
Johann Anton André (1775–1842)
Andrea da Firenze (meninggal 1415)
Elfrida Andrée (1841–1929)
Saint Andrew of Crete (c. 650–712, 726 or 740)
Iosif Andriasov (1933–2000)
Hendrik Andriessen (1892–1981)
Jurriaan Andriessen (1925–1996)
Louis Andriessen (kelahiran 1939)
Willem Andriessen (1887–1964)
François Andrieu (abad ke-14)
José Escolástico Andrino (1817–1862)
Peter Androsch [de] (kelahiran 1963)
Felice Anerio (1560–1614)
Giovanni Francesco Anerio (c. 1567–1630)
Pasquale Anfossi (1727–1797)
Nuccio D'Angelo [it] (kelahiran 1955)
Gasparo Angiolini (1731–1803)
Jean-Henri d'Anglebert (1629–1691)
Giovanni Animuccia (c. 1520–1571)
Anna Amalia (Princess of Prussia) (1723–1787)
Anna Amalia (Duchess of Saxe-Weimar-Eisenach) (1739–1807)
Lucia Contini Anselmi (1876–setelah 1913)
Caroline Ansink (kelahiran 1959)
Conrad Ansorge (1862–1930)
Elizabeth Anspach (1750–1828)
John Antes (1740–1811)
George Antheil (1900–1959)
Andrea Antico (c. 1480–setelah 1538)
John Antill (1904–1986)
Antonello da Caserta (akhir abad ke-14 hingga awal abad ke-15)
Antonio da Cividale (fl. 1392–1421)
Antonio José Martínez Palacios (1902–1936)
Theodore Antoniou (kelahiran 1935)
Giovanni D'Anzi (1906–1974)
Yoshino Aoki (kelahiran 1971)
David August von Apell [de] (1754–1832)
Georges Aperghis (kelahiran 1945)
Aphex Twin (kelahiran 1971)
Denis ApIvor (1916–2004)
Giuseppe Apolloni (1822–1889)
Hans Erich Apostel (1901–1972)
Dina Appeldoorn (1884–1938)
Benedictus Appenzeller (1480/1488–setelah 1558)
Adelaide Orsola Appignani (1807–1884)
Louis Applebaum (1918–2000)
Thomas Appleby (c. 1488?–1563/1564)
Mary Jeanne van Appledorn (kelahiran 1927)
Francesco Araja (1709–setelah 1762)
Jesús Arámbarri (1902–1960)
Pedro Aranaz (1742–1821)
Juan Arañés (meninggal 1649)
Juan de Araujo (1646–1712)
Izabella Arazova (kelahiran 1936)
Jean-Baptiste Arban (1825–1889)
Chaya Arbel (1921–2007)
Jacques Arcadelt (1507?–1568)
Julián Arcas (1832–1882)
Frederic Archer (1838–1901)
Malcolm Archer (kelahiran 1952)
Violet Archer (1913–2000)
José Ardévol (1911–1981)
Luigi Arditi (1822–1903)
Sven Arefeldt (1908–1956)
Bülent Arel (1919–1990)
Anton Arensky (1861–1906)
Paolo Aretino (1508–1584)
Isabel Aretz (1913–2005)
Dominick Argento (kelahiran 1927)
Anneli Arho (kelahiran 1951)
Attilio Ariosti (1666–1729)
Rodolfo Arizaga (1926–1985)
Cecilia Arizti (1856–1930)
Marian Arkwright (1863–1922)
Albert Arlen (1905–1993)
Harold Arlen (1905–1986)
Jacque Armand [sv] (Olof Thiel) (1892–1978)
Pietro Armanini (1844–1895)
Elinor Armer (kelahiran 1939)
Andreas Armsdorff (1670–1699)
Gheorghi Arnaoudov (kelahiran 1957)
Leo Arnaud (1904–1991)
Desi Arnaz (1917–1986)
Michael Arne (1740/1741–1786)
Thomas Arne (1710–1778)
Richard Arnell (1917–2009)
Blaž Arnič (1901–1970)
Ralf Arnie [de] (1924–2003)
Ernst Arnold [de] (Ernst Jeschke) (1890–1962)
Malcolm Arnold (1921–2006)
Samuel Arnold (1740–1802)
Yuri Karlovich Arnold (1811–1898)
Robert Sterling Arnold (1905–2003)
Juan Crisóstomo Arriaga (1806–1826)
Emilio Arrieta (1823–1894)
Claude Arrieu (1903–1990)
Nikolai Artsybushev (1858–1937)
Giovanni Artusi (c. 1540–1613)
Vyacheslav Artyomov (kelahiran 1940)
Alexander Arutiunian (1920–2012)
Elena Asachi (1789–1877)
Boris Asafyev (1884–1949)
Joseph Ascher (1829–1869)
Leo Ascher (1880–1942)
Vicente Asencio (1908–1979)
Thomas Ashwell (c. 1478–setelah 1513)
Robert Ashley (kelahiran 1930)
Nils Henrik Asheim (kelahiran 1960)
Daniel Asia (kelahiran 1953)
Gianmatteo Asola (c. 1532–1609)
Sören Aspelin [sv] (1906–1973)
Franz Asplmayr (1728–1786)
Caterina Assandra (c. 1590–setelah 1618)
Charles d'Assoucy (1605–1677)
Ignaz Assmayer (kelahiran 1790)
Edwin Astley (1922–1998)
Fèlix Astol i Artés (1813–1901)
Hugh Aston (Hugh Ashton) (c. 1485–1558)
Emanuele d'Astorga (1680–1757)
Athenaeus son of Athenaeus (fl. 138 BC–28 BC)
Esmeralda Athanasiu-Gardeev (1834–1917)
Chet Atkins (1924–2001)
Ivor Atkins (1869–1953)
Pierre Attaingnant (c. 1494–late 1551 or 1552)
Kurt Atterberg (1887–1974)
Thomas Attwood (1765–1838)
Daniel Auber (1782–1871)
Jacques Aubert (1689–1753)
Louis Aubert (1877–1968)
Tony Aubin (1907–1981)
René Aubry (kelahiran 1956)
Edmond Audran (1842–1901)
Leopold Auer (1845–1930)
Lera Auerbach (kelahiran 1973)
Marianna Auenbrugger (1759–1782)
Josepha Barbara Auernhammer (1758–1820)
May Aufderheide (1888–1972)
Benedikt Anton Aufschnaiter (1665–1742)
Rafał Augustyn (kelahiran 1951)
Pietro Auletta (c. 1698–1771)
Tor Aulin (1866–1914)
Valborg Aulin (1860–1928)
Georges Auric (1899–1983)
Dorothea Austin (1921–2011)
Elizabeth R. Austin (kelahiran 1938)
Frederic Austin (1872–1952)
Larry Austin (kelahiran 1930)
Charles Avison (1709–1770)
Giuseppe Avitrano (c. 1670–1756)
Pedro António Avondano (1714–1782)
Ana-Maria Avram (kelahiran 1961)
Slavko Avsenik (1929–2015)
Aaron Avshalomov (1894–1965)
Jacob Avshalomov (1919–2013)
Daniel Ayala Pérez (1906–1975)
Héctor Ayala (1914–1990)
Nat Ayer (1887–1952)
Florence Aylward (1862–1950)
Frederick Ayres (1876–1926)
Artemi Ayvazyan (1902–1975)
Azalais de Porcairagues (fl. mid-abad ke-12)
Svitlana Azarova (kelahiran 1976)
Filippo Azzaiolo (fl. 1557–1569)