Sing for me

It's May, it's the year 1848, the place is the Royal Court theatre in Dresden and Yuuri Katsuki, raised and trained as a singer in Italy would very much like to not be here. But here he is. And what's a new singer to do but to sing? Catching the eye of the resident theatre ghosts who turns out not to be a ghost at all sounds like a nice start. Getting said ghost as a tutor is nice too. And if one happens to fall in love along the way, well, that's life.

Why, yes, this IS something of an Phantom-of-the-Opera-AU.