CLEAN : 'Prayer for Ukraine': London flashmob orchestra shows its solidarity through music

The video discusses the performance of the Ukrainian national anthem and two significant Ukrainian musical pieces. One piece is by Valentin Silvestrov, whose life is currently in danger in Kiev, and playing his music is a gesture of solidarity with Ukraine. The other piece, 'Prayer for Ukraine' by Mykola Lucien Co, is an iconic piece known by every Ukrainian, symbolizing cultural pride and unity.

What was the significance of playing the Ukrainian national anthem during the performance?

Why is the piece 'Prayer for Ukraine' considered iconic in Ukrainian culture?