Informații de la organizația de arte (verificată de Operabase)
Perm Music College. Concert Of The Musicaeterna Choir by Bortnyansky, Chesnokov, P., Rachmaninoff, Berezovsky, Maxim, De la (2016/2016), Dirijor Valeria Safonova, Perm Tchaikovsky Opera and Ballet Theatre, Perm, Russia