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 (soundtrack) Bandcamp. On 4 March 2011, Rosenfeld released the game's first soundtrack album, "Minecraft – Volume Alpha", on his Bandcamp account. The album was later released on other digital download services. On 9 November 2013, Rosenfeld released the second soundtrack album, "Minecraft – Volume Beta". On 21 August 2015, a physical release of "Minecraft – Volume Alpha", consisting of CDs, black vinyl, and limited-edition transparent green vinyl LPs, was issued by acclaimed indie electronic label Ghostly International. On 4 March 2011, German musician C418 released Minecraft – Volume Alpha, the first "Minecraft" soundtrack album, and his eighth album overall. The album