Engine Engine Number 9

"Engine Engine #9" is a song written and recorded by American country music artist Roger Miller. It was released in May 1965 as the lead single from the album, The 3rd Time Around. The song peaked at number 2 on the U.S. country singles chart.
The story in the song concerns a man waiting for his girlfriend to arrive by train, fearing that she may have found another man during the trip.
The song title is a reference to the children's rhyme of the same name, similarly quoted in rap duo Black [Sheep (group)|Black Sheep]'s song "The [Choice Is Yours (Revisited)]", an extended version of another song, "A [Wolf in Sheep's Clothing (Black Sheep album)|The Choice Is Yours]".