You, a new professor for DADA, played violin. Often playing it in your own chambers after grading papers if you had the time.

The potions professor, had his own string skills, being the precise and expert man he was. But not with a violin or cello, but with electric guitars. Angsty teen years gained him that skill.

One night, he was passing by the rooms, on a walk around the castle to clear his mind when he heard your violin playing from your private quarters. He stopped to listen, his eyebrows quirking up with surprise.