Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
Tokyo Bunka Kaikan Opera Box: Special Highlights Vol.1/Vol.2 by Various, Ħad 19 Set 2021, Minn (2021/2021), Immexxi minn Tomomi Egawa,, Surmast Direttur Keiji Sudo, Tokyo Bunka Kaikan, Tokyo, Japan