A really, really good amateur Krolock

Unstillbare Gier is the favourite song for amateur musical singers to record on Youtube - probably because it has less hard notes than Music of the Night ;) Imagine my amazement when I found a 20-year-old at a Gymnasium concert who's actually good. And I mean better than some Krolocks I've seen in actual professional productions. I think I've got a newbie to keep an eye on: