Chair of the Cello Jury - cellist Mstislav Rostropovich. Chair of the Violin Jury - violinist David Oistrakh. The International Tchaikovsky Competition is a classical music competition held every four years in Moscow and Saint Petersburg, Russia, for pianists, violinists, and cellists between 16 and 32 years of age and singers between 19 and 32 years of age.
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