| "Shagrath" |
2004 - |
DIMMU BORGIR, OV HELL, RAGNAROK, NOCTURNAL BREED, FIMBULWINTER, STARKNESS |
| Tony White |
2004 - |
OLD MAN'S CHILD, MINAS TIRITH |
| Eddie Guz |
2004 - 2009 ; 2017 - |
Eddie Guz, THE CARBURETORS |
| Damage Karlsen |
2012 - |
GROMTH, BREED, VIOLENT POWER |
| "Shady Blue" aka Pål Mathiesen |
2009 - 2017 |
SUSPERIA, RINGNEVOND, VANAHEIM, METADOX, SEVEN SINS, ABYSSIC, JUJ |
| "Ogee" |
2012 - 2017 |
MORTIIS, LOST IN TIME, SHOTAT DAWN, DEPRTURE PLAN |
| "Ricky Black" aka Richard Wikstrand |
2004 - 2012 |
MADDER MORTEM |
| Björn Luna |
2004 - 2012 |
ASHES TO ASHES |
| Jarle Bernhoft |
2004 - 2004 |
Jarle Bernhoft, SPAN, GREEN GRANADAS, EXPLICIT LYRICS |
| "Nagash" |
2004 - 2004 |
THE KOVENANT, NOCTURNAL BREED, DIMMU BORGIR, CARPE TENEBRUM, TROLL, THROAT VIOLENCE, COVENANT, NAGASHIZZAR, KVESTA |
