The next one is something from Arithon's world, charmed into a silver ball to play when its shaken.

He brought it specially for this, and swings Ingress around to the strains of it.

He'd actually snuck the steps of it into her sword lessons for the last few months, and eventually she shrieks with laughter as she realizes she knows what to do next.

When the dance is over he bows deeply and kisses her hand before passing her to the next person.