| Alterhaug, Bjørn, | Bjørn Alterhaug | Composer | 1973 | 1 | |
| Aarsand, Magne, | Magne Aarsand | Composer | 1993 | 1 | |
| Aam, Vidar, | Vidar Aam | Composer | 1994 | 1 | |
| Aasheim, Hanne T., | Hanne T. Aasheim (Hanne T. Aasheim) | Composer | 2000 - 2007 | 2 | |
| Apocalyptica, -, | - Apocalyptica | Composer | 2003 - 2004 | 2 | |
| Allen, Lily, | Lily Allen | Composer | 2011 - 2012 | 10 | |
| Auber, -, | - Auber | Composer | 1916 | 1 | |
| Agersnap, Harald, | Harald Agersnap | Composer | 1924 | 1 | |
| Alm, Anders | Anders Alm | Composer | 1990 - 1992 | 20 | |
| Accolla, Francesco | Francesco Accolla | Composer | 1981 | 1 | |
| Arcuragi, Adam | Adam Arcuragi | Composer | 2013 - 2014 | 1 | |
| Appleby , Sam | Sam Appleby | Composer | 1985 | 1 | |
| Andritsakis, Platon | Platon Andritsakis | Composer | 1994 - 1999 | 2 | |
| Aarset, Eivind | Eivind Aarset | Composer | 2015 | 1 | |
| Artaud, Vincent | Vincent Artaud | Composer | 2014 | 6 | |
| Argento, Dominick | Dominick Argento | Composer | 1966 | 1 | |
| Abis, Amoret | Amoret Abis | Composer | 2002 | 1 | |
| Aegidius Martini, Johann Paul | Johann Paul Aegidius Martini | Composer | 2004 | 1 | |
| Ampazis, Thodoris | Thodoris Ampazis | Composer | 2004 - 2005 | 2 | |
| Attack, Massive | Massive Attack | Composer | 2005 | 3 | |
| Aznavour, Charles | Charles Aznavour | Composer | 2005 | 1 | |
| Andersson, Peter | Peter Andersson | Composer | 2001 | 1 | |
| Aldobolyi, György Nagy | György Nagy Aldobolyi | Composer | 2006 | 1 | |
| Amigo, Cristian | Cristian Amigo | Composer | 2006 | 1 | |
| Anastasopoulos, Giannis | Giannis Anastasopoulos | Composer | 2009 - 2010 | 1 | |
| Ash, Kingsley | Kingsley Ash | Composer | 2012 | 1 | |
| Amram, David | David Amram | Composer | 1960 | 1 | |
| Adomian, Lan | Lan Adomian | Composer | 1951 | 1 | |
| Armbrust, Rainer | Rainer Armbrust | Composer | 2000 | 1 | |
| Aragón, Angel | Angel Aragón | Composer | 2000 | 1 | |
| Arensky, Anton | Anton Arensky | Composer | 1949 | 1 | |
| Alsted, Birgitte | Birgitte Alsted | Composer | 1976 | 1 | |
| Anderson, Laurie | Laurie Anderson | Composer | 2017 | 1 | |
| Andriessen, Jurriaan | Jurriaan Andriessen | Composer | 1978 | 1 | |
| Allen, Flash | Flash Allen | Composer | 1986 | 1 | |
| Avramovski, Risto | Risto Avramovski | Composer | 1976 | 1 | |
| Akulova, Polina | Polina Akulova | Composer | 2018 - 2019 | 1 | |
| Antrobus, David | David Antrobus | Composer, Director | 2012 | 2 | |
| Anderson, Michael | Michael Anderson | Composer, Musical Director | 2003 | 2 | |
| Askø, Arvid, | Arvid Askø | Composer, Musician | 2010 | 2 | |
| Asen, Norbert | Norbert Asen | Composer, Musician | 2008 | 2 | 1 |
| Alldridge, Duncan | Duncan Alldridge | Composer, Sound Designer | 2002 | 2 | |
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