The choir was a messenger of peace bringing warmth to many people.
Here are some You Tube videos of the Red Army Choir (all in English):
https://www.youtube.com/watch?v=Jrg0X9H6FGU&list=RDJrg0X9H6FGU
https://www.youtube.com/watch?v=8fEbMhR_qXk&index=6&list=RDJrg0X9H6FGU
https://www.youtube.com/watch?v=BYbtAZjB8QM&list=RDJrg0X9H6FGU&index=4
https://www.youtube.com/watch?v=WJPgveHnMd0&list=RDJrg0X9H6FGU&index=3
https://www.youtube.com/watch?v=dI9KBLb_8ro&list=RDJrg0X9H6FGU&index=7
https://www.youtube.com/watch?v=VX7Wjq4lllw&list=RDJrg0X9H6FGU&index=8
https://www.youtube.com/watch?v=cObY7f0q—E&list=RDJrg0X9H6FGU&index=11