Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
Art project "Tenors of the XXI century" with the program "Dedication to the Master" (Alexander Sibirtsev) by Various, Minn (2021/2021), Immexxi minn Dmitriy Sibirtsev,, Samara Academic Theatre of Opera and Ballet, Samara, Russia