Boy, did you call that one right. Let me tell you--during my time in Afghanistan, Tom Waits suddenly sprung into my senses. A lot of the music I'd used to love just burned away in that wasteland. I found myself gravitating to Waits, and oddly, Johnny Cash. Yeah, man, I'm serious. I grew up in rural Oklahoma, and Cash's music was always around, but it didn't grip me then. I equated it with the places I wanted to grow up and leave. Over there, though, it suddenly became deeply important. And this song.
https://www.youtube.com/watch?v=k9IfHDi-2EA It ended up being featured on "General Kill" at the end of the series, and it blew me away that they used it. It must be just part of the territory we were in.