Nothing that ends at -off can be authentically Russian. Smirnoff is not a real vodka. And Ivan Rebroff is not a real singer of Russian folk songs.
(Yuck. This guy is full of himself. Each note takes him too long.)
(Master class. So he can’t sing. So his teeth are all British. But at least he has a Russian smile. And after a while he gets better.)
Or, perhaps (the NYC–Boston song):