It’s nice. You do have to install sheetrock with rockwool behind it or you get all sorts of modalities due to the concrete walls.
It still obviously functions as a bomb shelter. The previous owner had a bunch of kids and beds and whatever in there. Total space is 2500sf. We made a storage room, wine cellar (has a kitchen), small bedroom, and then the listening room.
Big generator (EMP resistant) that I refreshed and solar.
Food, but not enough. It’s a farm and ranch far from anything. Assuming we’re not covered in fallout, we could grow plenty.
You are one fortunate man to have what you have.