Well, there was some obvious turmoil about the girl -- something that made her go emotional while she practiced and Loki couldn't help but feel rather empathetic, even if he'd stopped mostly because other magic always tended to interest him.
But he'd in this position once, at least a little bit.
"Hello," Loki greeted smoothly, pushing himself a little more directly in eyesight, black hair neat behind his ears and his small golden crown shiny atop his head. "Don't let me stop your practice."