[She manages a weak smile before nodding. She still doesn't know why exactly noise has this effect on him, but seeing him so eager for relief makes her feel for Aidan]
Alright. I know it might be hard with the commotion, but the more you can focus on only my voice, the better this will work.
[A faint, encouraging squeeze of his hand, then she quietly sings a short verse, of strange and intelligible words or perhaps sounds, that's barely over before a suppressed warmth spreads through him. Not quite a drowsy feeling, or sluggish, but... muffled, like a great comforter has fallen over, enveloped him without smothering. The noise doesn't gradually drown out, it simply doesn't register any longer, most distant sounds won't. Being right next to him though, her voice only has a dulled quality to it, as if she's speaking through a pipe]