Darkness at the edge of town

I walk by this house almost every day with my dog and have for a long time. Our dog is nine years old so it's been a while. The house sits at the edge of the oldest residential neighborhood in my home town. The home my wife and I live in was built in 1890. When I come upon this house, almost every time a decades old Bruce Springsteen song or at least the title of the song comes into my head. That song is Darkness at the edge of town. An old woman and her mother live in this house. The old woman teaches dance at her dance studio. She has taught dance for over 50 years. Her mother who looks like she can't do a lot more than sit in a chair sits on the front porch when it's nice out, she always waves and says hello.