ushirou is a user on kamiyacho.net. You can follow them or interact with them if you have an account anywhere in the fediverse. If you don't, you can sign up here.
ウィザードリィのBGMはファミコン版からはじめて実装されたのを今知った
http://legendius.web.fc2.com/famicom/famicom_wizardry1.html