He says it doesn't play music, it keeps him warm, and it is a tape. There isn't any such thing. He has blankets that he wraps up in. And this tape, I think it is something in his head and it isn't real. Could this be part of dementia? He has done this before but snapped out of it and said "nothing".
It is not premature to jump into the future and get your act together in advance. My mother would not. I have had a year long holy mess to straighten out because of that. It's stressful enough to have a loved one decline, but when you add the crisis of moving, finances, legal stuff, other family, and "what about the cat" on top of it, it feels like a tidal wave.
My mom was exhibiting early signs 15 years ago that nobody acted on. She was in denial, and so were all her friends & sisters. She would get her dreams & reality mixed up. Her reasoning & decision making declined. She did a lot of really weird things, but hey, who are we to intervene?
Fast forward to 2012 where she was hallucinating animals in her house. Hallucinating dead relatives were visiting. Hallucinating that I was rummaging in her closet. I live 1800 miles away.
2013 - She had stopped driving most of the time because it scared her. It was that other part of the time she did drive that scared me. She was missing doctor appointments, eating spoiled food because she couldn't get to the grocery store, and not taking her medications the right way or not at all. She was a shut in. That's when I took over and moved her into care near me.
Not the outcome anybody wanted, but it had to be done. Somebody had to see reality and do the right thing.
Get ahead of this before it turns into a crisis so you have the luxury of time to make plans and get ready for changes before they happen.
Good luck. I know this is difficult, but maybe it will be good news.