Well that made matters much easier. Xavier waited patiently as she dug around for something for him to sign, and then he took them from her once she had them, his fingertips brushing against hers in the transfer. What she said made his smile turn slightly bashful, but not fade. "You had good timing, I was about to apparate."
He turned to the building and used the wall as a surface, signing his name across the bit of parchment she'd provided before facing her again and passing both it and the quill back. "I'm glad you enjoy our music. It's always nice to meet someone who does, especially as much as you seem to."