Informacije umetniške organizacije (Preverjeno s strani Operabase)
Hokkaido Public School Teachers Mutual Aid Association Performance Project/Sapporo Symphony Orchestra Shari Performance by Rossini, Grieg, Smetana, Dvořák, Od (2015/2015), Dirigent Toshiaki Umeda, Sapporo Concert Hall 'Kitara', Sapporo, Japan