How destructive was 🧝luthien's 🎶song voice?

[Hisoka Morrow]

Thus, apart from her great masterpiece of fainting Melkor and all the garrisons of Angband regardless of it's sneak tactic, could luthien sing in public military operation and make the game over? Or if the targets stuffed their ears in the first places, then luthien's song would suck, would it?

 

[Aukwrist]

Morgoth appears to have been a light sleeper.

 

[Hisoka Morrow]

have been a light sleeper.

Only light level? My dear, Morgoth slept so deeply till he got severely wounded.