Minecraft led to Persson becoming one of "Forbes" "World's Billionaires". "Minecraft"s music and sound effects were produced by German musician Daniel Rosenfeld, better known as C418. The background music in "Minecraft" is instrumental ambient music. On 4 March 2011, Rosenfeld released a soundtrack, titled "Minecraft – Volume Alpha"; it includes most of the tracks featured in "Minecraft", as well as other music not featured in the game. The video game blog Kotaku chose the music in "Minecraft" as one of the best video game soundtracks of 2011. On 9 November 2013, Rosenfeld released the second official soundtrack, titled "Minecraft – Volume
Swedish American Telephone Company Building models of human features for medical schools and developed educational film strips. The company was purchased by Rand McNally in 1984. Shortly after they moved out, the building was recognized by the National Park Service with a listing on the National Register of Historic Places. Swedish American Telephone Company Building The Swedish American Telephone Company Building is a historic structure in the Edgewater neighborhood of Chicago. Built in the later 1890s, the factory differs from other industrial buildings of its day because of its ornate facade. It was home to medical supplier Betz & Co. (1895–1905), the Swedish American Telephone