Polka in the 19th century also wrote many polkas to satisfy the demands of the dance-music-loving Viennese. In France, another dance-music composer Emile Waldteufel also wrote many polkas in addition to his chief profession of penning waltzes. The polka evolved during the same period into different styles and tempi. In principle, the polka written in the 19th century has a 4-theme structure; themes 1A and 1B as well as a 'Trio' section of a further 2 themes. The 'Trio' usually has an 'Intrada' to form a break between the two sections. The feminine and graceful 'French polka' (polka française) is slower
Polka in the United States Polka Festival, SloveneFest, and Tony Petkovsek's Thanksgiving Polka Weekend. Beginning in the early 1970s, the phenomenon of "polka masses" began appearing. Polka masses are usually held by members of the Roman Catholic Church who consider the polka an important part of their ethnic heritages. The first polka mass was created by Father George Balasko in 1972 and the idea was spread by Father Frank Perkovich throughout the '70s and '80s. Both were polka musicians. In composing a polka mass, a musician either alters the lyrics of polka pieces to become more appropriate for a spiritual setting or creates an entirely