It’s her first piano concerto, so of course it’s No. 1. (In E-flat major, if you’re keeping score.) We’re watching the world premiere of this work, in the summer of 2017:
She was twelve at the time.
Oh, and she’s written two operas, one based on Neil Gaiman’s The Sweeper of Dreams, and a reworking of the fairy tale Cinderella.
It’s people like this, Tom Lehrer once said, who make you realize how little you’ve accomplished: “When Mozart was my age, he had been dead for two years.”