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
Explosions-Polka Explosions-Polka Explosions-Polka, op. 43, is a polka written by Johann Strauss II in 1847. The title was inspired by a discovery of guncotton or nitrocellulose by German scientist Christian Friedrich Schönbein in 1840. The Viennese press eagerly reported this discovery many years later in 1846, describing many products that can then be made 'explosive'. The polka is one of Strauss's novelty pieces, capturing a vogue. The "Explosions-Polka" was written for a benefit concert entitled 'Lust-Explosionsfest' (Joyful Explosions Festival), held in the Sträussl-Säle of the Josefstädter Theater on 8 February 1847. The polka incorporates many explosion effects throughout the piece, and