All background music are by Yuki Kajiura except for Mai-Otome PS2 Opening Theme - Valkyrja/Michibiki no Ao, composed by Yōsei Teikoku & Hoshi ga Kanaderu Monogatari composed by Kajiura but arranged by Hijiri Anze.
Yamashita is the fourth composer to score a Xenosaga video game, following Yasunori Mitsuda, Yuki Kajiura and Shinji Hosoe.
The development of Episode IIs music was split between Yuki Kajiura (cutscenes) and Shinji Hosoe (in-game music).
Yuki Kajiura | Kaori Yuki | Yuki Maki | Yuki Ito | Yuki Ikeda | Yuki | Masami Yuki | Yuki Urushibara | Yuki Masuda | Yuki Maeda | Yuki Kure | Yuki Koyanagi | Yuki Kiriga | Yuki Kawauchi | Nobuteru Yūki | Chushingura: Hana no Maki, Yuki no Maki | BS Tantei Club: Yuki ni Kieta Kako |
She recently worked with Yuki Kajiura on the ending theme, "maybe tomorrow~ending medley", for Xenosaga Episode III: Also sprach Zarathustra.
In his time working as a music producer and project developer he's helped launch the careers of musicians, Yoko Kanno, Yuki Kajiura, May'n and singer and voice actress, Maaya Sakamoto.