Seriously, what's up with that? Voices are fine, combat sounds as well, but I can barely hear any music, which is pretty damn annoying. I can't enjoy Wardruna's work. I even tried lowering the volume of everything else to hear soundtrack better, it didn't help much.
Ubi, just make the music louder, please. I don't remember having this problem in previous games. And from what I've noticed on reddit, other people have the same problem. Not to mention that singing is constantly interrupted because of "raid" that's showing up every 5 seconds while using drakkar.