The visuals capture the sense of a gritty, Louisiana noir with metaphysical overtones -- and the theme song, "Far From Any Road" by The Handsome Family adds this folky sense of dark, desperate Biblical revelation.
Now I do appreciate some haunted folk music from time to time. Nina Nastasia and Orenda Fink are among my favorites in this area. But I have to admit I'd not heard of The Handsome Family before now. They've been around since 1994, though, with 10 albums under their belts already. Brett Sparks composes all the music and his wife Rennie writes the lyrics.
Where does Space Music enter into this? Well, I was delighted to see that their 2006 album "Last Days of Wonder" features a track about famed inventor Nikola Tesla:
Here's a taste of the lyrics:
Internet, you love "True Detective" and you love Tesla, so if modern folk/alternative country/Americana is your thing, go explore their discography. And here's a nice little Soundcloud sampler of their work: