Yekaterina Alexeyevna Sinyavina (died 1784) was a Russian composer and pianist. A cembalo concerto by Giovanni Paisiello was probably first performed at the court of Catherine II in 1781 with Sinyavina as soloist. She served as a lady-in-waiting and composer at the court, married Count Simon Romanovich Vorontsov and died in St. Petersburg. References Year of birth missing 1784 deaths Music educators from the Russian Empire Composers from the Russian Empire Women classical composers Ladies-in-waiting from the Russian Empire 18th-century musicians from the Russian Empire 18th-century women musicians from the Russian Empire 18th-century women composers