Starting in 1926, commercial recordings of the song were made by various country artists. In her 1970 Ph.D. dissertation, Judith McCulloh found 160 permutations of the song. As well as rearrangement of the three frequent elements, the person who goes into the pines, or who is decapitated, is described as a man, woman, adolescent, husband, wife, or parent, while the pines can be seen as representing sexuality, death, or loneliness. The train is described as killing a loved one, as taking one's beloved away, or as leaving an itinerant worker far from home.