The term 'Chopin Creation' refers to three musical works composed by the Polish composer Frederic Chopin: an Etude (5 letters), an Opus (4 letters) and a Polonaise (9 letters). An Etude is a short, difficult piece of music intended to help the performer master a particular technique. An Opus is a musical work, usually numbered to indicate the order of the composer's works. A Polonaise is a slow dance in triple time, originating from Poland.