Thank you so much to all who contributed to this.
Few more covers:
Sofđu unga ástin mín
https://www.youtube.com/watch?v=QN_nU3j5_KM
Unchained melody
https://www.youtube.com/watch?v=Ig4e3V3aGco
The Green Fields of France
http://www.youtube.com/watch?v=msVYnMnV-6c
Here it is a link to long long way (starts at 3:35)
http://www.youtube.com/watch?v=3A-LbRSPCU4
There was a better video with a better sound but it seems that is not on youtube any more, or at least I could not find it. I have it on my laptop and I can send it to you if you want to uploaded it somewhere and link it, just let me know.