IV International Tchaikovsky Competition in Moscow

June 1970. USSR. Moscow. Members of the jury of the cello competition: Czechoslovak cellist Karel Pravoslav Sadlo, Italian composer Virgilio Mortari, chairman of the jury, People's Artist of the USSR cellist Mstislav Leopoldovich Rostropovich, Polish cellist Kazimierz Wilkomirski and Soviet composer Vladimir Aleksandrovich Vlasov (from right to left in the foreground) during the audition of participants in the IV International Tchaikovsky Competition in the Great Hall of the Moscow State Tchaikovsky Conservatory. The exact date of the photo is unknown. Alexander Konkov, Valentin Kuzmin/TASS