The Phantasy Star Online Episode I & II Premium Arrange soundtrack was composed by Hideaki Kobayashi and Fumie Kumatani for the video game, Phantasy Star Online Episode I & II. Being an arranged soundtrack, this collection does not have every piece of music present in the game and, furthermore, some songs differ from their ingame originals. The complete soundtrack for Phantasy Star Online episodes I and II can be found on Phantasy Star Online Songs of Ragol Odyssey -Soundtrack Episode 1&2-, and Phantasy Star Online Blue Burst Episode IV Sound Track for the Blue Burst expansion.