Margarita, the Internet Detective Agency has sighted Hiroshi Ogura (and his e-mail address) in rec.music.folk. DejaNews version of his message here: http://x31.deja.com/[ST_rn=ps]/getdoc.xp?AN=483624889&CONTEXT=928161241.1534918700&hitnum=0
DejaNews version of his message here: http://x31.deja.com/[ST_rn=ps]/getdoc.xp?AN=483624889&CONTEXT=928161241.1534918700&hitnum=0