As far as I know, the only thing you three did WAS sing. But I'll set that aside for now.

[He made a face for a moment, but then noticed the gem. Wait...] That's... not the broken gem is it? It's too clear, and the line of it is too polished for it to be a recent break.

[Realizing he was staring at her neck, Flash averted his look, coughing.] A-Anyway, you uh, been here long?