Secret vocalist Maksim Leonidov performs during the band's 30th anniversary concert at Crocus City Hall.

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Secret band members Nikolai Fomenko, Alexei Murashov, Maksim Leonidov and Andrei Zabludovsky perform during the band's 30th anniversary concert at Crocus City Hall.

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Secret vocalist Maksim Leonidov perform during the band's 30th anniversary concert at Crocus City Hall.

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Secret band member Alexei Murashov perform during the band's 30th anniversary concert at Crocus City Hall.

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Secret vocalist Nikolai Fomenko performs during the band's 30th anniversary concert at Crocus City Hall.

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Secret vocalists Nikolai Fomenko, left, and Maksim Leonidov perform during the band's 30th anniversary concert at Crocus City Hall.

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Secret vocalist Nikolai Fomenko performs during the band's 30th anniversary concert at Crocus City Hall.

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Secret vocalist Nikolai Fomenko performs during the band's 30th anniversary concert at Crocus City Hall.

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Secret vocalists Nikolai Fomenko, left, and Maksim Leonidov perform during the band's 30th anniversary concert at Crocus City Hall.

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Secret band members Nikolai Fomenko, Maksim Leonidov and Andrei Zabludovsky perform during the band's 30th anniversary concert at Crocus City Hall.

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