Disquieting

"Disquieting" is a musical theme composed by Yoko Shimomura that appears in the Kingdom Hearts series.

Sora's Story

 * Castle Oblivion: "Journal Pages Vanishing", "Reunion with Riku", "Fighting Friends", "Out of Reach", "The Fake Charm", "The Person Most Special", "Larxene's Sneer"
 * Traverse Town: Opening
 * Olympus Coliseum: Opening, Key to Truth
 * Agrabah: Key of Guidance, Key to Truth
 * Halloween Town: Key of Guidance, Key to Truth
 * Atlantica: Key of Guidance, Key to Truth
 * Neverland: Key to Truth
 * Hollow Bastion: Key of Beginnings, Key of Guidance, Key to Truth

Reverse/Rebirth Mode

 * Castle Oblivion: "Ansem of the Dark", "Ansem's Offer", "The Smell of Darkness and the King's Light", Riku vs. Riku", "A Replica's Pride", "What You Should Be", "Memories of Lies", "In a Flash of Darkness", "The World of Darkness", "A Card of Home", "One Who Destroyed Home", "Yours Alone", "The Tactician's End", "Reunion with the King", "DiZ", "The Last One-on-One"
 * Hollow Bastion: Key to Truth
 * Destiny Islands: Key of Beginnings

Kingdom Hearts 358/2 Days

 * Twilight Town: "Day 354 - Truth"

Kingdom Hearts III

 * "A Replica for Roxas"

Composition
"Disquieting" is approximately one minute and fifty-four seconds long and plays at a tempo of 62 beats per minute. "Disquieting" does not have an introduction or conclusion, allowing for smooth transitions between loops. Each loop is forty seconds long The instrumentation consists of piano, and a split strings section with lower voicing strings using bows while the upper voices use pizzicato.