Polka dances, which developed from Continental quadrilles, are danced to polkas. Introduced to Ireland in the late 19th century, there are today hundreds of Irish polka tunes, which are most frequently played on the fiddle or button accordion. The Irish polka is dance music form in , typically 32 bars in length and subdivided into four parts, each 8 bars in length and played AABB. Irish polkas are typically played fast, at over 130 bpm, and are typically played with an off-beat accent. The polka also migrated to the Nordic countries where it is known by a variety of names in
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