Keith,

Haven't you ever heard the poem, "'Twas the night before Christmas"? after which the above poem is based?

You know..."'Twas the night before Christmas
And all thru the house
Not a creature was stirring...
Not even a mouse... (etc.)

I'm not entirely certain if it was ever set to music, but it could easily be...granted, it may not be perfect iambic pentameter, but it has rhythm & beat...

The children were nestled
all snug in their beds
While visions of sugarplums
danced thru their heads

And ma in her kerchief
And I in my cap
Had just settled down
For a long winters' nap...

All y'all know the rest

Believe it was written by Henry Livingstone sometime around the turn of the 19th (1800s) century...