The Key of Light

"The Key of Light" is a musical composition by Yoko Shimomura that appears in the Kingdom Hearts series.

Appearances
"The Key of Light" appears only in cutscenes. It is used during climactic moments.

Kingdom Hearts Birth by Sleep

 * Destiny Islands: "Birth by Sleep"

Final Episode

 * "Castle Oblivion"
 * "The Chamber of Waking"

Kingdom Hearts 3D: Dream Drop Distance

 * Destiny Islands: "The Sleeping Keyholes"

Sora's Story

 * The World that Never Was: "Ventus's Armor"

Kingdom Hearts χ[chi]

 * Keyblade War: "Let's Go"

Kingdom Hearts Union χ[Cross]

 * Main Story: "Tragic Memories", "Pure Light", "Locked Inside"