Mr. Ed

I've had the Mr. Ed theme running through my head all day. I'm certain you all remember it as it's probably one of the most famous themes of television history, but here it is as a refresher:


However, I've heard this song untold times. Maybe in the hundreds. But for the life of me, I don't know the lyrics. So, since it's been bugging me all day and I'm mildly amused by them, here are my lyrics (repeat ad nauseam):

A horse is a horse, of course, of course.
Unless, of course, it's a horse, of course.
But then, of course, it'a a horse, of course.
It's the famous Mr. Ed!