The polonaises are regarded as one of the most important genres in the compositional oeuvre of Frédéric Chopin, some of them even as some of his most popular compositions. Their spectrum ranges from early works which can even be played by advanced beginners (e.g. Polonaise in B flat major) to demanding concert literature. The new edition of Wiener Urtext Edition is based on all relevant sources: autographs, copyist's copies, engraver's copies, first editions, as well as copies of Chopin's pupils...