Xenosaga Main Title

 is Track 2 on the Xenosaga THE ANIMATION Original Soundtrack. It plays during the opening sequence at the start of each episode. It also plays in Episode 12 when KOS-MOS and Kirsch destroy the transformed E.S. Simeon together.

The main melody of the piece is used as a motif in the following tracks:
 * Mysterious World
 * KOS-MOS Activating
 * Life and Death
 * Desperate Situation
 * Urgent Departure
 * A Secret Volition
 * Shining Hope
 * Blue Planet ~ Endless Journey
 * Blue Planet ~ Endless Journey