Mariya Matveyevna Stepanova created the leading soprano role in which opera based on a 1820 poem?
Mariya Matveyevna Stepanova: Mariya Matveyevna Stepanova (Russian: Мария Матвеевна Степанова) (1811 or 1816 – 1903) was a Russian opera singer who created the leading soprano roles in "A Life for the Tsar", "Ruslan and Lyudmila", and "Dmitry Donskoy".
i don't know