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
Lego Minecraft Box, the Farm and the Cave were made available in November 2014. Minifigure sized LEGO sets were then later announced in 2014. The prototypes of Creepers, mine carts, and sheep were all being developed as part of a Co-Build Project announced after MineCon, a fan convention. The initial group of minifigre-scaled sets were released from November to December 2014. In May 2018 three new sets in Minecraft universe were announced by the LEGO Group featuring the Skull Arena, Skeleton Attack and Bedrock Adventures. They suppose to come out in August 2018. Mashable listed the first Lego Minecraft set as a