Most Mysterious Song on the Internet

[Fizz]

Lol that is really weird, too! Thanks for the laugh, Paint and Christie :joycat::joycat:

 

[Duke]

From comments on video

Today 25 .12.2016 We lost the great Red Army Choir, in a plane crash over Sochi-Russia...The irony of it all, considering the fact that Lynyrd Skynyrd (the band behind Sweet Home Alabama song), also died in a plane crash.

Total Balalaika Show – Helsinki Concert - Wikipedia

According to this, the concert was in 1993. Doubtful any of the same members were still performing with the choir in 2016.

I've mentioned seeing the Strawbs 50th Anniversary concert in NJ this past April. The show closed with the band performing with the "UN Singers," essentially a UN choir. Each member performed in native costume, they were quite good.