Daniel Rosenfeld

C418 is credited as the producer of the music in Minecraft.

He produced the world music, the ambience music and the songs for both the green and gold Music Discs. He also produced the various sound effects for the game, such as footsteps, and released the game's official soundtrack, "Minecraft - Volume Alpha", which includes all the music present in the game made by him up to the soundtrack's release, plus some bonus tracks.

Music included in Minecraft
(NOTE: As of March 4th, Minecraft's tracks have been given "official" names)

Released Minecraft soundtracks

 * Minecraft - Volume Alpha (04 March, 2011)

Trivia

 * Like Mojang employees, his in-game character can be seen wearing a cloak in survival multiplayer.