The 13th Side

"The 13th Side" is a musical composition by Yoko Shimomura and Takehiko Yamada. It was released in Piano Collections Kingdom Hearts.

Composition
"The 13th Side" is four minutes and sixteen seconds long in Piano Collections Kingdom Hearts. It is performed by a solo piano.

The piece begins with an arrangement of "Another Side" and "Organization XIII", which are melodically identical. The second portion "The 13th Side" incorporates elements of "Graceful Assassin" (which itself includes the melody of "Another Side" and "Organization XIII") and the second half of "Another Side".