No answer. He glances back, but whoever it is is around a sort of corner where a part of the roof comes to an apex. They either didn't hear him or they're ignoring him.

Well, that's fine. He'd rather not eavesdrop, though, so he moves out into the open, sitting down again at the edge of the roof and dangling his feet out in open air. He keeps losing slippers this way, but whatever. From this angle, whoever it is will be able to see him, if they care to.

It's not eavesdropping if they know you're there. Probably.

He starts humming a weirdly slow version of something else.