Mii Channel Markov generates melodies similar to, but never likely to be mistaken for, the Mii Channel theme.
Made with Band.js and my own markov generator, Markov.js. All transcribing of the original music was done by hand, with help from Pianoletternotes.
It sounds like it's trying to figure out the launch codes. When you hear a perfect correspondence, the nukes are about the fly.