アンノウン・マザーグース (Unknown Mother-Goose)

Background
"Unknown Mother-Goose" is a song by wowaka featuring Hatsune Miku. Made for the Hatsune Miku 10th Anniversary compilation album Re:Start, it is his newest work featuring VOCALOID since "Unhappy Refrain" (2011) and follows a six-year absence. It entered the Hall of Fame shortly after its upload, and about two months later, it entered the Hall of Legend.

This song is featured on the mini album ai/SOlate by Hitorie.

Concerts
This song was featured in the following concerts.
 * Magical Mirai 2018
 * MIKU WITH YOU 2018
 * MikuExpo Live in Europe 2018