Stephen Constanza is an illustrator who took piano lessons and went on to study music composition.
A big fan of W. A. Mozart, he wrote (and of course, ilustrated,) this book, which is based on a true story.
Looking for a theme around which to write a piano concerto, he gets inspiration from his pet starling.
Then disaster strikes. . . .
If you are interested in reading the story, do that before you proceed!
And then you can scroll down. . . .
Mozart was a pet lover, to be sure. He had many.
He made this "notation" in his expense book: