Allans Music (1850-2012), instrument maker
- RNCM3635
- 1850-2012
Allans Music (1850-2012), instrument maker
Allegro Band Music Ltd (fl.1990s), music publisher
Altrincham Grammar School Girls Orchestra (fl.1960s)
Ancient Order of Druids (1781-present)
Anglo-American Music Publishers (fl.1930s-present)
Arthur Rubinstein International Piano Master Competition (1974-present)
Arts Council of Great Britain (1940-present)