PsihoKekec
Swashbuckling Accountant
Let's start with the pre-Heresy legions
Dark Angels - Enigma
Emperor's Children - Symphony X
Iron Warriors - Megadeath
White Scars - I'm torn between The Hu (due to their heritage) and Dragonforce (due to their need for speed)
Space Wolves - Tyr
Imperial Fists - Metallica
Night Lords - Cannibal Corpse
Blood Angels - Hammerfall
Iron Hands - Rammstein
World Eaters - Slayer
Ultramarines - Triarii
Death Guard - Bolt Thrower
Thousand Sons - Blind Guardian
Sons of Horus - Manowar
Word Bearers - Powerwolf
Salamanders - any band with cheerfully upbeat songs about fiery carnage?
Raven Guard - Evanscence
Alpha Legion - any of the above
Imperialis Auxilia - Sabaton
Imperialis Armada - Iron Savior
Adeptu Custodes - Iron Maiden
Dark Angels - Enigma
Emperor's Children - Symphony X
Iron Warriors - Megadeath
White Scars - I'm torn between The Hu (due to their heritage) and Dragonforce (due to their need for speed)
Space Wolves - Tyr
Imperial Fists - Metallica
Night Lords - Cannibal Corpse
Blood Angels - Hammerfall
Iron Hands - Rammstein
World Eaters - Slayer
Ultramarines - Triarii
Death Guard - Bolt Thrower
Thousand Sons - Blind Guardian
Sons of Horus - Manowar
Word Bearers - Powerwolf
Salamanders - any band with cheerfully upbeat songs about fiery carnage?
Raven Guard - Evanscence
Alpha Legion - any of the above
Imperialis Auxilia - Sabaton
Imperialis Armada - Iron Savior
Adeptu Custodes - Iron Maiden