I think this was their 1988 tour. Temuri Koridze was their prime soloist among all of the other greats of that time period. Temuri comes out from the left side of the screen for the first duet and is the second to last solo, performing his famous knee tours. I happened upon this show footage on television just after Temuri's Adjarian State Song and Dance Ensemble soloists had been visiting him at our home, that night.
Should you like to view the full footage, I believe it came on at 3:30 a.m. (at night) on 12/5/2016 - very interesting. Great footage to see.