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 the videos includes creations made by players, walkthroughs of various tasks, and parodies of works in popular culture. By May 2012, over 4 million "Minecraft"-related YouTube videos had been uploaded. Some popular commentators have received employment at Machinima, a gaming video company that owns a highly watched entertainment channel on YouTube. The Yogscast is a British organization that regularly produces "Minecraft" videos; their YouTube channel has attained billions of views, and their panel at MineCon 2011 had the highest attendance. Other well known YouTube personnel include Jordan Maron, who has created many "Minecraft" parodies, including "Minecraft Style", a parody of