Dubbed 'King of the Waltz' by the media, André Rieu has renewed interest in waltz music, done battle in the pop charts with his huge-selling albums and toured the world with his huge arena concerts.

Looking for a reason to dub classical music elitist, an ongoing memory of monarchs, look no further. But look further. The waltz happens to be one of history’s great subversive endeavors.

More than 170 years after his death, a new piece of music by composer Frédéric Chopin was discovered in the archives of The Morgan Library and Museum. The surprising discovery, made by curator Dr.