Claudius leans on the doorway, before he steps inside, allowing a moment where he could apologize for disrupting Nightingale and keep the conversation short. When the door closes behind him, he's already intruded -- it's best not to look back at the exit. "I like the music," he says. "I only just learned, you know, that music can be recorded and played again without a chamber's worth of instruments. Very remarkable." It's not the most remarkable thing in their day, but he speaks lightly enough that it could be.