The video shows archival footage from the life of Ukrainian opera singer, Hero of Ukraine (posthumously) Vasyl Slipak.
Reference: Vasyl Slipak was a world-renowned Ukrainian opera singer, soloist of the Paris National Opera, volunteer, participant in the Revolution of Dignity and the fighting in eastern Ukraine. He had the call sign “Myth”. He was killed in action on June 29, 2016, as a result of a sniper shot. He was posthumously awarded the Order “For Courage”, first class (2016) and the title of Hero of Ukraine (2017).