I was rocked to sleep as a baby with Knoxville Girl..only it was "In a town of Expert" in the version my Grandmother and Mother sang. I know my grandmother sang it to my Mother in the year 1910...and to me in the 1930's My lullaby's were all cowboy songs...and lots of murders...lol I always wondered why he killed her.. www.erols.com/olsonw is a good explanation.