Taking Sal's advice and giving you the wrong details instead of the right ones.
Reel-to-reel, quarter inch, the box was green and had a hardware store's name printed on it rather than a label's. Two men singing, not harmonising, more like taking turns. A dog barks about a minute in and nobody stops. My father said it was recorded in somebody's kitchen in Kentucky and that one of the men was his cousin, which he also said about a number of other things.
I have had it in my head for thirty years and I have never heard it anywhere else.