Polka which hosts/produces the Grammy Awards, announced that it was eliminating the polka category. The Academy's official reason for eliminating the polka award was “to ensure the awards process remains representative of the current musical landscape.” The Academy's decision stems from the declining number of popular polka albums considered for an award in recent years. For example, out of the five polka albums nominated for an award in 2006, only one album was widely distributed in the mainstream. Polka The polka is originally a Czech dance and genre of dance music familiar throughout Europe and the Americas. It originated in the
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