Xenosaga Original Soundtrack

The Xenosaga Original Soundtrack is the official Soundtrack to Xenosaga Episode I - Der Wille zur Macht. It was released on 2 CDs only in Japan in 2002. It was rereleased in 2004 as Xenosaga Episode I with two additional tracks, World to be Born and Pain -piano version- , and a different order. Several tracks were rerecorded for the 2004 release. All songs were composed by Yasunori Mitsuda.

Disc 1

 * 1) Prologue
 * 2) Opening
 * 3) Battle
 * 4) Battle's End
 * 5) Startup Test
 * 6) Shion's Crisis
 * 7) Battling KOS-MOS
 * 8) Life or Death
 * 9) Game Over
 * 10) Pursued Spaceship
 * 11) Relief
 * 12) Everyday
 * 13) U.M.N.MODE
 * 14) Invading the Enemy Ship
 * 15) The Girl Who Closed Her Heart
 * 16) Kookai Foundation
 * 17) Shion ~Memories of the Past~
 * 1) U.M.N.MODE
 * 2) Invading the Enemy Ship
 * 3) The Girl Who Closed Her Heart
 * 4) Kookai Foundation
 * 5) Shion ~Memories of the Past~
 * 1) Kookai Foundation
 * 2) Shion ~Memories of the Past~

Disc 2

 * 1) Warmth
 * 2) Anxiety
 * 3) The Resurrection
 * 4) Green Sleeves
 * 5) Panic
 * 6) The Miracle
 * 7) Inner Space
 * 8) Last Battle
 * 9) Pain
 * 10) Escape
 * 11) Kokoro
 * 12) Shion ~Emotion~
 * 1) Inner Space
 * 2) Last Battle
 * 3) Pain
 * 4) Escape
 * 5) Kokoro
 * 6) Shion ~Emotion~
 * 1) Escape
 * 2) Kokoro
 * 3) Shion ~Emotion~

Disc 1

 * 1) Shion ~Memories of the Past~
 * 2) Prologue
 * 3) The Girl Who Closed Her Heart
 * 4) Warmth 
 * 5) The Resurrection
 * 6) The Beach of Nothingness 
 * 7) Green Sleeves 
 * 8) The Miracle
 * 9) Ω
 * 10) Escape
 * 11) Pain
 * 12) Kokoro
 * 13) Shion ~Emotion~
 * 14) World to be Born
 * 15) Pain -piano version- 
 * 1) Escape
 * 2) Pain
 * 3) Kokoro
 * 4) Shion ~Emotion~
 * 5) World to be Born
 * 6) Pain -piano version- 

Disc 2

 * 1) Opening
 * 2) Battle
 * 3) Battle's End
 * 4) Startup Test
 * 5) Shion's Crisis
 * 6) Battling KOS-MOS
 * 7) Life or Death
 * 8) Game Over
 * 9) Pursued Spaceship
 * 10) Relief
 * 11) Everyday
 * 12) U.M.N.MODE
 * 13) Invading the Enemy Ship
 * 14) Kookai Foundation
 * 15) Anxiety
 * 16) Panic
 * 17) Inner Space
 * 18) Last Battle
 * 1) Kookai Foundation
 * 2) Anxiety
 * 3) Panic
 * 4) Inner Space
 * 5) Last Battle
 * 1) Last Battle
 * 1) Last Battle
 * 1) Last Battle