Polka 211, which evokes the uncorking of champagne bottles. Other composers who wrote music in the style of the polka were Jaromír Weinberger, Dmitri Shostakovich and Igor Stravinsky. In the United States, Polka is promoted by the International Polka Association based in Chicago, which works to preserve the cultural heritage of polka music and to honor its musicians through the Polka Hall of Fame. Polka is also popular in Milwaukee, Wisconsin, where the Beer Barrel Polka is played during the seventh inning stretch and halftime of Milwaukee Brewers and Milwaukee Bucks games. Polka is also the official State Dance of Wisconsin.
Types of volcanic eruptions Types of volcanic eruptions Several types of volcanic eruptions—during which lava, tephra (ash, lapilli, volcanic bombs and volcanic blocks), and assorted gases are expelled from a volcanic vent or fissure—have been distinguished by volcanologists. These are often named after famous volcanoes where that type of behavior has been observed. Some volcanoes may exhibit only one characteristic type of eruption during a period of activity, while others may display an entire sequence of types all in one eruptive series. There are three different types of eruptions. The most well-observed are magmatic eruptions, which involve the decompression of gas within magma that