| A Challenge of Honour | — | 2000 | — |
| Abel | — | 1996 | — |
| Acda en De Munnik | — | 1989 | — |
| Advent Resilience | — | 2006 | — |
| After Forever | — | 1995 | 5 februari 2009 |
| After Tea | — | 1967 | — |
| Alamo Race Track | — | 2001 | — |
| Alice DeeJay | — | 1999 | — |
| All for Nothing | — | 2001 | — |
| Alquin | — | 1971 | — |
| Altar | — | — | 2001 |
| Altın Gün | — | 2016 | — |
| Amsterdam Baroque Choir | — | 1992 | — |
| Amsterdam Klezmer Band | — | 1996 | — |
| Amsterdam Loeki Stardust Quartet | — | 1978 | — |
| Amsterdam Sinfonietta | — | 1988 | — |
| An Autumn | — | 2008 | — |
| Anal Penetration | — | 2000 | — |
| Angel City | — | 1994 | — |
| Angels & Agony | — | 1995 | — |
| Antidote | — | 1996 | — |
| Antillectual | — | 2000 | — |
| Antropomorphia | — | 1990 | — |
| Armed Cloud | — | 2012 | — |
| Asphyx | — | 1987 | — |
| Asrai | — | 1985 | — |
| Atmozfears | — | 2008 | — |
| Audiotricz | — | 2013 | — |
| Autumn | — | 1995 | — |
| Awkward I | — | 2008 | — |
| Ayreon | — | 1995 | — |