We asked to know all the info about the service and the place, and they were quite rude, answering that only Russian speaking people were attending and without giving us a reasonable explanation why. A group of Cubans just wanted to have a good time. I think they are losing a good business opportunity, since Grodno receives tourists and people who live here who do not speak Russian very well, but at least try to do it.
They celebrated their son's birthday with arrivals. His friends and he were very happy. It's not a top, but it's enough for a good mood. We will definitely look again!