Certainly possible.

The original (?) writer did become governor.

"This song is one of two official songs for the State of Louisiana."


Also, there are some variations on the more commonly known verses-

Norman Blake

The other night dear, as I lay sleeping
I dreamed I held you in my arms
But when I awoke, dear, I was mistaken
So I hung my head and I cried.

chorus:
You are my sunshine, my only sunshine
You make me happy when skies are gray
You'll never know dear, how much I love you
Please don't take my sunshine away

I'll always love you and make you happy,
If you will only say the same.
But if you leave me and love another,
You'll regret it all some day:

ch.

You told me once, dear, you really loved me
And no one else could come between.
But not you've left me and love another;
You have shattered all of my dreams:

ch.

In all my dreams, dear, you seem to leave me
When I awake my poor heart pains.
So when you come back and make me happy
I'll forgive you dear, I'll take all the blame.

ch.