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
Minecraft mods Microsoft announced a new tool, "Minecraft: Education Edition", which would be designed specifically for classroom use and which would continue on the legacy of "MinecraftEdu" to teach a wide variety of subjects using Minecraft. In "The Parent's Guidebook to Minecraft", author Cori Dusmann denotes that homeschooling and "Minecraft" make for an interesting match, as creating simple mods can be an "illustration of scientific principles," to which homeschooling providers are receptive. The idea of introducing Minecraft into school curriculums was resisted by Tom Bennett, who serves as an adviser to the British government. According to Bennett, Minecraft was a gimmick, and