Is it a matter of getting some of them into the stronghold areas? If so that's easy but in all wars front lines can change rapidly. I'm not sure I see how you expect mobile use to give an advantage!!!
We didn't have a globalised culture in the '60s so few of us were aware that this is a re working of an old Russian folk song Stenka Razin. No doubt you can google translate the lyrics at a click of a mouse now.
I've definitely heard this before, wasn't it in Bulgarian? A lovely bitter sweet melody and story to this one.