The Lullaby

The Lullaby is a song made by Sorae Igarashi for Shiro. It is transmitted by the Mother Goose System to keep Shiro's alternate personality under control. The song is about a woodpecker, a hint to Sorae's son Ganta Igarashi, nicknamed Woodpecker. Curiously, Sorae always cried when playing the song.

Lyrics
The naughty little woodpecker

Knocked holes, crumbling the forest

The angry wood god turned his beak into poison!

The poor little woodpecker, his nest was poison, and his supper too

He touched his friends and they all died

The sad little woodpecker

His little poison tears twinkle and shine