Right here : http://www.youtube.com/watch?v=qxB42cjHTGg

Horton sings "Old Hick'ry" as plain as can be. The transcriber, however, seems to think it's "Old Hitcreek." There are other errors as well.

In this video, Johnny and his army sings the song at the North Pole:

http://www.youtube.com/watch?v=LsRK3DNoa_Q

But he still sings "Old Hick'ry."

Here's the cynical, make-us-even-richer overseas "British Version," which must take place in an alternative universe because the redcoats evidently win:

http://www.youtube.com/watch?v=rWVypBROMgQ

And guess what? Johnny still sings "Old Hick'ry." As he does here: