It also has quite a great interview with Mitsuda for the 20th anniversary of his composing career:
http://www.2083.jp/contents/201508yasunori_mitsuda/
Enjoyed the rather extensive part about his year at Wolfteam as a sound assistant to Sakuraba. The part about sound creation for SoM, FF5, RS2 and Hanjuku Hero is also interesting. ^^