OPUS UNIVERSUM. Concerts 5 et 6. Maria Simakova (soprano), Anna Yanchishina (violon), Eléna Korzhenevich (violon), Eléna Tarasova OPUS UNIVERSUM. Concerts 5 et 6. Maria Simakova (soprano), Anna Yanchishina (violon), Eléna Korzhenevich (violon), Eléna Tarasova