Any song about floods or failed crops. Any gospel song about the end of the world.

How about?

Five Feet High And Rising
Johnny Cash
How high's the water, mama?
Two feet high and risin'
How high's the water, papa?
She said it's two feet high and risin'
We can make it to the road in a homemade boat
That's the only thing we got left that'll float
It's already over all the wheat and oats,
Two feet high and risin'
How high's the water, mama?
Three feet high and risin'
How high's the water, papa?
She said it's three feet high and risin'
Well, the hives are gone,
I lost my bees
The chickens are sleepin'
In the willow trees
Cow's in water up past her knees,
Three feet high and risin'
How high's the water, mama?
Four feet high and risin'
How high's the water, papa?
She said it's four feet high and risin'
Hey, come look through the window pane,
The bus is coin', gonna take us to the train
Looks like we'll be blessed with a little more rain,
Four feet high and risin'
How high's the water, mama?
Five feet high and risin'
How high's the water, papa?
She said it's five feet high and risin'
Well the rails are washed out north of town
We gotta head for higher ground
We can't come back till the water goes down,
Five feet high and risin'
Well, it's five feet high and risin'