Earlier quoted context omitted.
Is there no culture, or no "culture"? When you talk to people from a major metropolitan area about culture outside of a major metropolitan area, they're very often not talking about culture. They're talking about entertainment, and a specific kind of it. I live in semi-rural Michigan and the idea that there's no culture here is just kind of absurd. The culture just doesn't consist of having a constant stream of touri…
I admit the possibility that your idea of culture is a barren plain of consumerism. If that's the case, it's your problem and only you can fix it. Agglomeration effects are real and there are centers of dance and music around the country that exist in self-reinforcing cycles of training and performance. These scenes come and go but they don't arise by themselves in isolated dying towns.
Some styles of dance and music, which are a component of an overall culture, are totally centered in large cities. Music is a bizarre thing to bring up -- bumfuck nowhere Midwest smalltown is the origin and inspiration for plenty of music that is listened to well outside of the geographical region it's from. Hardcore punk has plenty of representation from gutted Rust Belt locales, and Midwest emo is straight-up named after it. They do arise and perpetuate themselves in isolated locations, all around the world.
Of course there are cultural aspects that large cities will have and more rural areas won't, as well as the other way around. Neither are lacking culture by virtue of lacking the other's culture.