Happy birthday to Grigory Yakerson, director of opera at the Mariinsky

Mariinsky Theatre congratulates Grigory Yakerson, director of opera, with his 50th anniversary. In our special video stars of the Mariinsky opera Anna Netrebko, Ekaterina Semenchuk, Irina Churilova, Mikhail Vekua and Sergei Skorokhodov as well as French language coach Ksenia Klimenko express their warmest thanks to a colleague, a chief, a teacher, an accompanist and a friend.