On one day, the goat gathers all three around, telling them that
she must leave on a quest for food, instructing them not to open
the door unless they hear her singing, in characteristically soft
voice, a refrain.
The conversation is overheard by the wolf, who spies on the goat's
family. A while after the mother has left, the wolf sneaks in front
of the door and starts singing her song to the three kids. The ruse
succeeds in convincing the eldest two children, who rush in to open
the door. They are stopped by the youngest, who notices that the
song is performed in an unusually coarse voice.
Having heard this too, the wolf hurries over to a smith's shop,
where he gets his tongue and teeth "sharpened". He then returns