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 MineCon, there was an "Into The Nether" after-party with deadmau5. Free codes were given to every attendee of MineCon that unlocked alpha versions of Mojang's "Scrolls", as well as an additional non-Mojang game, "Cobalt", developed by Oxeye Game Studios. Similar events occurred in MineCon 2012, which took place in Disneyland Paris from in November. The tickets for the 2012 event sold out in less than two hours. MineCon 2013 was held in Orlando in November as well. MineCon 2015 was held in London in July. MineCon 2016 was held in Anaheim in September. MineCon 2017 was held as a livestream