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 time. Mojang stepped in to save the project. Another controversy came about in March 2017, when Slovakian cybercompany ESET revealed that 87 examples of trojan horses were distributed through the Google Play Store under the guise of "Minecraft" mods. Their purpose was to either aggressively display ads or con players into downloading other apps. Combined, these fake mods gathered over one million downloads in the first three months of 2017. The total number of Minecraft mods is officially very hard to calculate because of the sheer number of them, both old and new ones, but one of the repository websites,