[PAR] [TLE] Mariinsky Theatre [SEP] The Mariinsky Theatre (Russian: Мариинский театр , Mariinskiy Teatr, also spelled Maryinsky or Mariyinsky) is a historic theatre of opera and ballet in Saint Petersburg, Russia.  Opened in 1860, it became the preeminent music theatre of late 19th century Russia, where many of the stage masterpieces of Tchaikovsky, Mussorgsky, and Rimsky-Korsakov received their premieres.  Through most of the Soviet era, it was known as the Kirov Theatre.  Today, the Mariinsky Theatre is home to the Mariinsky Ballet, Mariinsky Opera and Mariinsky Orchestra.  Since Yuri Temirkanov's retirement in 1988, the conductor Valery Gergiev has served as the theatre's general director. [PAR] [TLE] Olga Peretyatko [SEP] Olga Peretyatko (Russian: Ольга Перетятько ; born 21 May 1980 in Leningrad, now Saint Petersburg) is a Russian operatic soprano.  As a child Peretyatko sang in the children's choir of the Mariinsky Theatre.  As a student of the Hamburg Opera Studio she received the second prize at Operalia Competition (2007), an event sponsored by tenor Plácido Domingo.
[PAR] [TLE] Mariinsky Theatre [ SEP ] The Mariinsky Theatre ( Russian : Мариинский театр , Mariinskiy Teatr , also spelled Maryinsky or Mariyinsky ) is a historic theatre of opera and ballet in Saint Petersburg , Russia . Opened in 1860 , it became the preeminent music theatre of late 19th century Russia , where many of the stage masterpieces of Tchaikovsky , Mussorgsky , and Rimsky - Korsakov received their premieres . Through most of the Soviet era , it was known as the Kirov Theatre . Today , the Mariinsky Theatre is home to the Mariinsky Ballet , Mariinsky Opera and Mariinsky Orchestra . Since Yuri Temirkanov 's retirement in 1988 , the conductor Valery Gergiev has served as the theatre 's general director . [PAR] [TLE] Olga Peretyatko [ SEP ] Olga Peretyatko ( Russian : Ольга Перетятько ; born 21 May 1980 in Leningrad , now Saint Petersburg ) is a Russian operatic soprano . As a child Peretyatko sang in the children 's choir of the Mariinsky Theatre . As a student of the Hamburg Opera Studio she received the second prize at Operalia Competition ( 2007 ) , an event sponsored by tenor Plácido Domingo .
As a child, Olga Peretyatko sand in the children's choir of a theatre that opened in what year?
As a child , Olga Peretyatko sand in the children 's choir of a theatre that opened in what year ?
1860
1860