CLEAN : Ukrainian musicians united in orchestra in Poland to defend 'cultural front'

The transcript discusses the importance of contributing to the cultural front by playing and promoting Ukrainian music. It highlights efforts to prepare and send Ukrainian scores abroad, emphasizing the need to play more Ukrainian music to ensure its survival and recognition. The speaker stresses that if Ukrainians do not play their music, no one else will.

What does the speaker mean by 'cultural front'?

What is the significance of sending Ukrainian scores abroad?