Media 2021-02-11 PR Times It has been uploaded on PRTimes site. https://prtimes.jp/main/html/rd/p/000000003.000054538.html
Media 2021-01-17 Nagoya Theater Journal A wonderful intellecutal critic was written on vocallizasion, why singing is hard, and even harder to fill out a hall, was published on Nagoya Theater Journal.