Finno-Ugric grannies for Russia?

Russia's TV has been very silent this year and no open call for the songs has been given and no rumours either until the last few days when it was given almost certain the Buranovskie Babushki would be the one. They charmed the world last year in the Russian selection (here) and the idea has been welcomed with delight by most everyone. Now let's see if it happens! Finns would be surely more than