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 songs and a different order. All songs were composed by Yasunori Mitsuda.

Disc 1

 * 1) Prologue
 * 2) Opening
 * 3) Battle
 * 4) Sentou Shuuryou
 * 5) Kidou Shiken
 * 6) Omoide
 * 7) Kakusei
 * 8) Shion no Kiki
 * 9) Sentou Suru KOS-MOS
 * 10) Kanashimi
 * 11) Life or Death
 * 12) Game Over
 * 13) Owareru Uchuutei
 * 14) Relief
 * 15) Nichijou
 * 16) U.M.N.MODE
 * 17) Tekiteinai e no Shinkou
 * 18) U-TIC kikan
 * 19) Kokoro o Tozashita Shoujo
 * 20) Kookai Foundation
 * 21) Shion ~Kako no Kioku~
 * 1) Kokoro o Tozashita Shoujo
 * 2) Kookai Foundation
 * 3) Shion ~Kako no Kioku~

Disc 2

 * 1) Nukumori
 * 2) Fuan
 * 3) The Resurrection
 * 4) Kyomu no Hamabe
 * 5) Green Sleeves
 * 6) Panic
 * 7) The Miracle
 * 8) Inner Space
 * 9) Ω
 * 10) Last Battle
 * 11) Pain
 * 12) Escape
 * 13) Kokoro
 * 14) Shion ~Omoi~
 * 1) Ω
 * 2) Last Battle
 * 3) Pain
 * 4) Escape
 * 5) Kokoro
 * 6) Shion ~Omoi~
 * 1) Shion ~Omoi~

Disc 1

 * 1) Shion ~Kako no Kioku~
 * 2) Prologue
 * 3) U-TIC Kikan
 * 4) Kokoro o Tozashita Shoujo
 * 5) Nukumori (New Recording)
 * 6) The Resurrection
 * 7) Kyomu no Hamabe (New Recording)
 * 8) Green Sleeves (New Recording)
 * 9) The Miracle
 * 10) Ω
 * 11) Escape
 * 12) Pain
 * 13) Kokoro
 * 14) Shion ~Omoi~
 * 15) World to be Born
 * 16) Pain -Piano Version- (New Recording)
 * 1) Pain
 * 2) Kokoro
 * 3) Shion ~Omoi~
 * 4) World to be Born
 * 5) Pain -Piano Version- (New Recording)

Disc 2

 * 1) Opening
 * 2) Battle
 * 3) Sentou Shuuryou
 * 4) Kidou Shiken
 * 5) Omoide
 * 6) Kakusei
 * 7) Shion no Kiki
 * 8) Sentou Suru KOS-MOS
 * 9) Kanashimi
 * 10) Life or Death
 * 11) Game Over
 * 12) Owareru Uchuutei
 * 13) Relief
 * 14) Nichijou
 * 15) U.M.N. MODE
 * 16) Tekiteinai e no Shinkou
 * 17) Kookai Foundation
 * 18) Fuan
 * 19) Panic
 * 20) Inner Space
 * 21) Last Battle
 * 1) Inner Space
 * 2) Last Battle
 * 1) Last Battle
 * 1) Last Battle
 * 1) Last Battle