Angel Witch - Angel of Death (intro/main riff) & Manilla Road - Dreams of Eschaton (1:55)
This progression seems quite obvious and natural.
Exactly. Many progressions are purely intuitive.
There are so many reasons of similarities:
Unconscious usage of reproductive memory.
Intentional usage of reproductive memory: paying homage, ripping off.
Or simply: lack of knowledge of greater context, intuitive creating, lack of creativity or being unable to overcome primary influences, emotional factors like jealousy.
So we gathered that knowledge. What now?