Grandpa Jones and Ramona did a similar version.

WHEN IT'S TIME FOR THE WHIPPOORWILL TO SING
Recorded by Ramona and Grandpa Jones

Oh, the stars and the Silvery Moon is shinin'
All around as the sweetness of the Spring
But I'm sad and in loneliness I'm pinin'
For the one I know I'll never see again.

CHORUS
How I long for the day when I shall meet her
If it be where the Angels sweetly sing
She is mine and the thought of her grows sweeter
When it's time for the Whippoorwill to sing.

Then I left with the thought I'd be returning
Soon to her with the wealth of joy I'd bring
I returned but too late and now I'm pinin'
She has gone and in loneliness I'll sing.

CHORUS

I remember the night she made the promise
And those words said to me great joy did bring
I'll be true and you know you'll find me waiting
When it's time for the Whippoorwill to sing.

CHORUS