see more

MOSCOW, RUSSIA - JUNE 23: Singer Iosif Kobzon (L) , State Duma deputy, attends the opening the 38th Moscow International Film Festival in Moscow, Russia, on June 23, 2016. (Photo by Sefa Karacan/Anadolu Agency/Getty Images)

MOSCOW, RUSSIA - JUNE 23: Singer Iosif Kobzon (L) , State Duma deputy, attends the opening the 38th Moscow International Film Festival in Moscow, Russia, on June 23, 2016. (Photo by Sefa Karacan/Anadolu Agency/Getty Images)

see more

MOSCOW - OCTOBER 24: Famous Russian singer Iossif Kobzon leaves with hostages released from the theatre that was seized by armed men early on October 24, 2002 in Moscow. Armed men entered the crowded Moscow theatre on Wednesday and took the audience hostage; the Federal Security Service said 'A Soviet-era House of Culture that belonged to a ball-bearing plant was staging a performance of the musical "Nord-Ost"'. The poster on the theatre reads: "Nord-Ost". (Photo by Getty Images).

MOSCOW - OCTOBER 24:  Famous Russian singer Iossif Kobzon leaves with hostages released from the theatre that was seized by armed men early on October 24, 2002 in Moscow.  Armed men entered the crowded Moscow theatre on Wednesday and took the audience hostage; the Federal Security Service said 'A Soviet-era House of Culture that belonged to a ball-bearing plant was staging a performance of the musical "Nord-Ost"'. The poster on the theatre reads: "Nord-Ost".  (Photo by Getty Images).

see more

MOSCOW - OCTOBER 24: Famous Russian singer Iossif Kobzon leaves with hostages released from the theatre that was seized by armed men early on October 24, 2002 in Moscow. Armed men entered the crowded Moscow theatre on Wednesday and took the audience hostage; the Federal Security Service said 'A Soviet-era House of Culture that belonged to a ball-bearing plant was staging a performance of the musical "Nord-Ost"'. The poster on the theatre reads: "Nord-Ost". (Photo by Getty Images).

MOSCOW - OCTOBER 24:  Famous Russian singer Iossif Kobzon leaves with hostages released from the theatre that was seized by armed men early on October 24, 2002 in Moscow.  Armed men entered the crowded Moscow theatre on Wednesday and took the audience hostage; the Federal Security Service said 'A Soviet-era House of Culture that belonged to a ball-bearing plant was staging a performance of the musical "Nord-Ost"'. The poster on the theatre reads: "Nord-Ost".  (Photo by Getty Images).

see more

The exhibition "Action "Roll-call" of pop-art style political placard from russian emmigrant artist Anton Myrzin opens in the lobby of the Ukrainian Parliament, Feb. 21, 2017 (Photo by Sergii Kharchenko/NurPhoto via Getty Images)

The exhibition "Action "Roll-call" of pop-art style political placard from russian emmigrant artist Anton Myrzin opens in the lobby of the Ukrainian Parliament, Feb. 21, 2017 (Photo by Sergii Kharchenko/NurPhoto via Getty Images)

see more

ISTANBUL, TURKEY - APRIL 07: Russian singer and politician Iosif Kobzon and the Red Army Choir, or the Alexandrov Ensemble perform during exclusive show at Cemal Resit Rey Concert Hall (CRR) in Istanbul, Turkey on April 07, 2017. 64 Musicians from the Red Army Choir, or the Alexandrov Ensemble had died at a plane crash on last december. (Photo by Hilal Ustuk/Anadolu Agency/Getty Images)

ISTANBUL, TURKEY - APRIL 07: Russian singer and politician Iosif Kobzon and the Red Army Choir, or the Alexandrov Ensemble perform during exclusive show at Cemal Resit Rey Concert Hall (CRR) in Istanbul, Turkey on April 07, 2017. 64 Musicians from the Red Army Choir, or the Alexandrov Ensemble had died at a plane crash on last december. (Photo by Hilal Ustuk/Anadolu Agency/Getty Images)