Polka is a lively dance and music genre that originated in Central Europe, particularly in Bohemia. It became popular in the 19th century and is characterized by its upbeat tempo and 2/4 time signature. The dance involves quick steps and lively movements, making it a favorite at celebrations and festivals. The music typically features instruments like the accordion, clarinet, and trumpet, creating a joyful and energetic sound. Polka has influenced various musical styles and has been embraced in many cultures, especially in Polish and Czech communities, where it remains a cherished tradition.