Analysis of information sources in references of the Wikipedia article "آنا نتربکو" in Persian language version.
Anna Netrebko joins Valery Gergiev in stepping away from the concert hall because of her support of the Russian president Vladimir Putin. The Russian soprano has faced criticism for refusing to condemn the actions of Putin in the wake of the Russian invasion of Ukraine.
Famed Russian soprano Anna Netrebko will no longer perform at the Metropolitan Opera in New York City this season or next after she refused to publicly distance herself from Russian President Vladimir Putin.
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