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
Satya Nadella that values continual learning and growth. He has cited the book "Mindset: The New Psychology of Success" by Carol Dweck as inspiration for this philosophy around a "growth mindset". Nadella's leadership of Microsoft included a series of high-profile acquisitions of other companies, to redirect Microsoft's focus. His first major acquisition was of Mojang, a Swedish game company best known for the popular freeform computer building game "Minecraft", in late 2014, for $2.5 billion. "Minecraft" was notably a cross-platform game, with versions running on Apple's iOS mobile devices, and the Sony PlayStation dedicated gaming console, as well as Microsoft's Xbox. He