- sung by Jonathan Coulton?
- sung by Felicia Day at PAX? (Ah, Felicia, you're so wonderful...)
- sung by the Pyro from Team Fotress 2?
- in Japanese?
- sung in English by Hatsune Miku, a voice synthesis program that only works well for Japanese?
- done in Mario Paint Composer, a remake of the Mario Paint music composer?
- played on an Intel 8080 microprocessor via a SID chip with ASCII graphics on two attached serial terminals?
- remixed in the style of...
- that plays from a homebrew NES ROM?
- done a capella?
- played by a player piano?
- played on an ocarina?
- played on a hacked exercise machine?
And there are two versions that aren't really new versions of the song, but have great visuals to go with them. Here is the song...
And now you know. And knowing is half the battle!
Happy Thanksgiving, everyone. :)