Polka in the United States Blazoncyzk's "Polka Fireworks" festival in Pittsburgh, are run by polka stars or polka fans. These festivals usually last several days and involve performances, dancing, jam sessions, beer, ethnic food, athletic events, parades, and polka masses. Though many festival attendees belong to an older generation, there are also a substantial number of young participants. Polka music and polka festivals are often described as "happy" and "joyful" by their organizers and participants. In their book Polka Happiness, Charles and Angeliki Keil describe the aspects of these "polka parties" that allow them to bring joy to people of all ages. A wide variety
Polka in tempo and is more measured in its gaiety. Johann Strauss II's Annen Polka op. 114, Demolirer polka op. 269, the Im Krapfenwald'l op. 336 and the Bitte schön! polka op. 372 are examples of this type of polka. The polka-mazurka is also another variation of the polka, being in the tempo of a mazurka but danced in a similar manner as the polka. The final category of the polka form around that time is the "polka schnell", which is a fast polka or "galop". Eduard Strauss is better known for this last category, as he penned the 'Bahn Frei'