[ There's a longer silence after her question. Phantom has his head tilted down, so it's hard to see his expression as he continues petting his cat. ]

... it only wishes to sing.

[ Ah, but that's a non-answer. She will get another answer. ]

And so it will, until it deems necessary to stop. Whether for want of an audience, or to safeguard its anchor to the world... I do not know.