A field of battle~bitter 2

a field of battle~bitter #2 is Disc 2, Track 6 on the Xenosaga II: Jenseits von Gut und Böse ~Movie Scene Soundtrack~. It is a combination of two pieces of music: 'a field of battle', which plays at the start of the track, and 'bitter #2', which plays from 1:44. Neither piece of music plays in-game in Xenosaga Episode II.