The Unknown (track)

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This article is about the musical theme.
You may be looking for other uses of "Unknown".
Kingdom Hearts Concert -First Breath-
The Unknown
Theme Notes.png
Arranger Kaoru Wada
Composer Yoko Shimomura
Length 5:40

"The Unknown" is a musical composition by Yoko Shimomura and Kaoru Wada. It appeared in the Kingdom Hearts Concert -First Breath- live performance. The piece is a medley of the secret boss themes from Kingdom Hearts Final Mix, Kingdom Hearts II Final Mix, and Kingdom Hearts Birth by Sleep Final Mix.


"The Unknown" is five minutes and 40 seconds long in the Kingdom Hearts Concert -First Breath- album.

The medley features "Disappeared", "Rage Awakened", and "Dark Impetus", the boss themes of Xemnas, Lingering Will, and Young Xehanort, respectively, during their appearances as secret bosses. The title of the medley refers to the fact that secret bosses are often labeled as "Unknown" (謎の男 Nazo no Otoko?, lit. "Enigmatic Man"), as was the case with Xemnas and Young Xehanort.