Name
- ALMO, Belgian stage rental firm and copyright agency, fl 1945-19616
- Albersen Muziek, Dutch music publishers, 1928-3
- American Society of Composers, Authors and Publishers, 1914-3
- Atlantis Verlag, 1930-3
- Australasian Performing Right Association, 1926-3
- Editions Altona, music publishers of Amsterdam, fl 1948-19603
- Performing Right Society, 1914-19973
- Adler, Peter Herman, conductor, 1899-1990, http://isni.org/isni/000000...2
- Asow, Erich Hermann, German musicologist, 1892-1964, http://isni.org/isni/000000...2
- Britten, Edward Benjamin, Baron Britten of Aldeburgh, composer, 1913-1976, http://isni.org/isni/000000...2
- Casa musicale Sonzogno, music publishers, 1874-2
- Hürlimann, Martin, Swiss publisher and photographer, 1897-19842
- Adler, Kurt, correspondent of Boosey and Hawkes, fl 1954-19611
- Aeschbacher, Niklaus, Swiss composer and conductor, 1917-1995, http://isni.org/isni/000000...1
- Allan and Co. Pty Ltd., Australian publishing company, fl 1954-19601
- Allt, Wilfrid, Principal of Trinity College of Music, 1889-1969, http://isni.org/isni/000000...1
- Almeida, Antonio Jacques, conductor, 1928-19971
- Alphenaar Muziekhandel, of Haarlem; music dealers, 1894-1
- Alwyn, William, composer, 1905-19851
- American Composers' Alliance, 1937-1