Kenji Ito
In 2005, Soken worked on "Drakengard 2" and "". The following year, Soken composed and arranged the score to "Mario Hoops 3-on-3". Along with Kenji Ito and Tsuyoshi Sekito, he created the soundtrack to "Dawn of Mana" (known as "Seiken Densetsu 4" in Japan), with Academy Award-winning composer Ryuichi Sakamoto providing the main theme. Soken also arranged a few tracks from previous "Mana" games, and performed the electric guitar for his arrangements. In 2007, he scored the online game "Elebest" with Ai Yamashita.