Arte erakundearen informazioa (Operabase-k egiaztatua)
Art project "Tenors of the XXI century" with the program "Dedication to the Master" (Alexander Sibirtsev) by Various, ar. 23 ots. 2021, Noiztik (2021/2021), Zuzendaria Dmitriy Sibirtsev,, Samara Academic Theatre of Opera and Ballet, Samara, Russia