Unknown waltz by Chopin found in library vault after nearly 200 years

A tour guide sheltering with umbrellas with Frédéric Chopin’s image in Warsaw, Poland. An unknown waltz by the Polish composer has been discovered in a New York museum. Photograph: Amer Ghazzal/REX/Shutterstock

An unknown waltz by Chopin, written nearly 200 years ago, has been discovered in the vault of the Morgan Library and Museum in New York.

The score, on a card bearing Frédéric Chopin’s hand-written name, was found by a curator in the spring, the New York Times reported on Sunday.