TRENDING NOW: Members of astonishing Chicago tribute band hail from both Ukraine, Russia

Russian-Ukrainian tribute band Leonid & Friends are proud to say they cover tunes from one of the greatest bands in the world, Chicago.

The internationally-renowned group toured the U.S. for the first time last year before the Russian invasion of Ukraine.

Leonid & Friends singer Serge Tiagnyriadno is Ukrainian and remains in Kyiv while his family are refugees in Poland.

Here's the band's amazing cover of If You Leave Me Now with Tiagnyriadno singing the lead vocals.

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