Previously unknown Mozart composition discovered in German library

A previously unknown composition by 18th-century composer Wolfgang Amadeus Mozart has been unearthed at a library in Germany.
Mozart – who was born in 1756 – was a child prodigy and began composing musical work at a young age with the help and guidance of his father. According to The Guardian, the unknown piece of music was probably created when the music virtuoso was only in his teens.
Researchers who are working on compiling the newest edition of the Köchel catalogue &nda