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-Fantaisie (Chopin) from 'late' to 'last'. It is suggested that the formal ambiguities of the piece (particularly the unconventional and musically misleading transitions into and out of the lyrical inner section) are the most significant defining qualities of this 'last style', which only includes this and one other piece—the F minor Mazurka (Op. 68, No. 4), Chopin's last composition. The piece plays a central role in Sandor Marai's novel "Embers". Polonaise-Fantaisie (Chopin) The Polonaise-fantaisie in A-flat major, Op. 61, is a composition for piano by Frédéric Chopin. It was dedicated to Mme A. Veyret, written and published in 1846. It opens with