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 Over the course of the development, Mojang hired several new employees to work on the project. Mojang moved the game out of beta and released the full version on 18 November 2011. The game has been continuously updated since the release, with changes ranging from new game content to new server hosts. On 1 December 2011, Jens "Jeb" Bergensten took full creative control over "Minecraft", replacing Persson as lead designer. On 28 February 2012, Mojang announced that they had hired the developers of the popular server platform "CraftBukkit" to improve "Minecraft"s support of server modifications. This acquisition also included Mojang