23 March will see debuts in opera The Maid of Pskov by soprano Yekaterina Goncharova as Princess Olga Yurievna Tokmakova and three bass singers – Alexander Morozov as Tsar Ivan Vasilievich the Terrible, Fyodor Kuznetsov as the oprichnik Prince Afanasy Vyazemsky and Oleg Sychov as Bomelius, a foreign physician