"Mr. Tinkertrain" is the first song on the 1991 Ozzy Osbourne heavy metal album No More Tears. The single peaked at number 34 on Billboard's Album Rock Tracks chart.
Its lyrics are about child abuse, loss of virginity through rape, and pedophilia, sung from the point-of-view of the perpetrator rather than the victim.
The song begins with a sound clip of children playing together taken from the movie Sometimes They Come…
Would you like some sweeties little girl?
Come a little closer
I'm gonna show you a brand new world tonight
I've got a palace full of fantasy