The sheet music is here.

http://digital.library.msstate.edu/cdm/ref/collection/SheetMusic/id/25579

The outlook for chords is not good, Martoons. Even if you can't read music, you can see that the notes move up and down the scale a lot. (For chords, you want music which mostly goes from space to space or from line to line.) And when you get to the chorus, the music is bristling with sharp and flat signs. It is moving up and down by half-steps, which are even worse.

Why not make up a new tune?