What is the style of Johann Waltzes and Polkas?

The waltzes of Johann Strauss II and his contemporaries are characterized by their elegant and lilting melodies, often performed with a light, graceful touch. Strauss's music also frequently incorporated elements of Viennese folk music, giving it a distinct and charming character. His polka compositions, on the other hand, are typically more lively and fast-paced, capturing the spirit of the traditional Bohemian polka.