They straighten when he addresses them - they'd gotten lost in the music somewhat, when they should have been alert. Their hands fold closer together in their lap, as if seeking comfort from one another.

They dip their head in what would be a nod if they actually brought it back up all the way again.

"I am very much, thank you." The tone is rote, polite, like the voice that tells you to press one to hear your messages, but they really do mean it. The ghost is very talented. "Please, I am sorry if I interrupted you."

They certainly didn't mean to, even if they're not sure exactly what they did.