Disquieting

"Disquieting" is a musical theme composed by Yoko Shimomura that appears in Kingdom Hearts Chain of Memories, Kingdom Hearts Re:Chain of Memories, Kingdom Hearts 3D: Dream Drop Distance, and once in the Kingdom Hearts 358/2 Days portion of Kingdom Hearts HD 1.5 ReMIX.

Sora's Story

 * Traverse Town: opening cutscene
 * Olympus Coliseum: opening and Key to Truth cutscenes
 * Agrabah: Key of Guidance and Key to Truth cutscenes
 * Halloween Town: Key of Guidance and Key to Truth cutscenes
 * Atlantica: Key of Guidance and Key to Truth cutscenes
 * Neverland: Key to Truth cutscene
 * Hollow Bastion: Key of Beginnings, Key of Guidance, and Key to Truth cutscenes

Reverse/Rebirth Mode

 * Hollow Bastion: Key to Truth cutscene
 * Destiny Islands: Key of Beginnings cutscene

Castle Oblivion Events

 * Cutscenes: Journal Pages Vanished, Reunion with Riku, Fighting Friends, The Fight for My Friends, Out of Reach, The Fake Charm, The Person Most Special, Larxene’s Sneer, 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

Sora Side

 * The World That Never Was: Just Before the Darkness

Kingdom Hearts 358/2 Days

 * Twilight Town: Mickey and Riku-Ansem/Day 354 - Truth

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.