Polka such as accordion, fiddle, diatonic accordion, hardingfele and nyckelharpa. Bedřich Smetana incorporated the polka in his opera "The Bartered Bride" () and in particular, Act 1. While the polka is Bohemian in origin, most dance music composers in Vienna (the capital of the vast Habsburg Austro-Hungarian Empire, which was the cultural centre for music from all over the empire) composed polkas and included the dance in their repertoire at some point of their career. The Strauss family in Vienna for example, while probably better-known for their waltzes also composed polkas that have survived obscurity. Josef Lanner and other Viennese composers
Polonaise in A-flat major, Op. 53 main theme on the harpsichord. Polonaise in A-flat major, Op. 53 ] The Polonaise in A major, Op. 53 (, "Heroic Polonaise"; ) for solo piano, was written by Frédéric Chopin in 1842. This composition is one of Chopin's most admired compositions and has long been a favorite of the classical piano repertoire. The piece requires exceptional piano skills and great virtuosity to be interpreted at a high degree of proficiency. It is also very physically demanding, and according to his student Adolphe Gutmann, Chopin played it more gently than most performers. The polonaise was dedicated to Auguste Léo, a