[Charles stays quiet, listening to her, and accepting the warmth that seems to infuse him as the song goes on. It isn't something he would normally listen to, but it would be difficult to deny she has a lovely voice.]

Turn around. Look at them. [Charles nods thoughtfully.] Music has a way of influencing emotions, even without the added magic. Since emotions are what appear to restore the city to its original state, it's natural for the natives to be drawn to something so closely tied to it.