O Fortuna....
by the Red Army Choir.

Hence this picture (which is nice in its own right).

A Red Square parade, 1941, by Konstantin Yuon
 
 
 
Alternatively, you can listen to a different (but still Russian) rendition of Orff's music at:
 
http://www.youtube.com/watch?v=HPdPKkZS6Pk
 
 
Or there are a number of other songs by the Red Army Choir:
 
http://www.atherden.com/redArmyChoir/songs.html