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Overview

アンノウン・マザーグース (Unknown Mother-Goose) is a Vocaloid track by producer wowaka, featuring Hatsune Miku. Released in 2017 on the HATSUNE MIKU 10th Anniversary Album "Re:Start," wowaka handled composition, arrangement, lyrics, and the music video, and contributed additional vocals alongside Miku. The song's brisk 222 BPM and 2:15 runtime carry the dense, emotionally charged vocal delivery that marked wowaka's return to Vocaloid production after a multi-year hiatus. In the arcade rhythm game space, アンノウン・マザーグース debuted in maimai MiLK at its December 2017 launch under the niconico & VOCALOID genre. It later appeared in CHUNITHM STAR PLUS and オンゲキ SUMMER PLUS, extending the song across all three of SEGA's major arcade rhythm game lines. The maimai Master chart, designed by LabiLabi, sits at level 13 with a 13.3 constant, while the Expert chart by 玉子豆腐 (Tamagodoufu) offers a level 11 challenge.

Videos

Official PV

Open

Expert chart

Open

Master chart

Open

Master chart

Open

Charts

STD

BASIC
3(3)
167 notesDesigner: -|Tap 142Hold 18Slide 5Break 2
ADVANCED
7(7)
326 notesDesigner: -|Tap 263Hold 48Slide 9Break 6
EXPERT
11(11)
483 notesDesigner: 玉子豆腐|Tap 352Hold 66Slide 56Break 9
MASTER
13(13.3)
732 notesDesigner: LabiLabi|Tap 566Hold 83Slide 65Break 18

Trivia

  • アンノウン・マザーグース was added to maimai MiLK at its launch on December 14, 2017, as part of the initial song lineup.
  • In Asian English versions of maimai, the song's title is romanized as Unknown Mother-Goose.
  • The song appears on the HATSUNE MIKU 10th Anniversary Album Re:Start, released in 2017 to commemorate a decade of the Vocaloid software.
  • wowaka composed, arranged, and wrote lyrics for the song, created the accompanying music video, and sang backing vocals alongside Hatsune Miku.
  • Beyond maimai, the song also appears in CHUNITHM STAR PLUS (added at launch) and オンゲキ SUMMER PLUS (added July 16, 2020).
  • In オンゲキ, the song's opponent character is 九條 楓 at level 5.
  • The Master chart in maimai has undergone multiple level adjustments across versions: it debuted at level 12 in MiLK, was lowered to 11+ in MiLK PLUS, then climbed through 12, 12+, and 13 before settling at its current 13.3 constant from FESTiVAL onward.
  • Both the Expert and Master charts predate the maimai DX era, they are STANDARD charts from the MiLK generation without Touch notes.
  • The song's BPM of 222 is among the higher tempos in the niconico & VOCALOID genre category in maimai.

FAQ

Who composed アンノウン・マザーグース?
The song was composed, arranged, and lyricized by wowaka. He also created the music video and contributed backing vocals alongside Hatsune Miku.
What album is アンノウン・マザーグース from?
The track appears on the HATSUNE MIKU 10th Anniversary Album 'Re:Start,' released in 2017 to celebrate ten years of Hatsune Miku.
When was アンノウン・マザーグース added to maimai?
It was added to maimai at the launch of the MiLK edition on December 14, 2017, as part of the initial song roster.
What is the English title of アンノウン・マザーグース?
In Asian English versions of maimai, the title is romanized as Unknown Mother-Goose.
What other SEGA rhythm games feature アンノウン・マザーグース?
The song also appears in CHUNITHM STAR PLUS (added at launch) and オンゲキ SUMMER PLUS (added July 16, 2020), making it playable across all three SEGA arcade rhythm game series.
What level is the Master chart for アンノウン・マザーグース in maimai?
The Master chart is level 13 with a difficulty constant of 13.3, designed by LabiLabi.
What is the BPM of アンノウン・マザーグース?
The song has a BPM of 222, placing it among faster tempos in the niconico & VOCALOID category.
How long is アンノウン・マザーグース?
The song runs for 2 minutes and 15 seconds.