Yep, if you visualize the song’s frequencies in a spectrogram, you get a bunch of pentagrams and Hell’s Dread Area Code.

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It’s a small thing, but that’s precisely why it’s great. Back when the original Doom first struck fear into the hearts of ‘90s parents, this kind of thing might’ve been scandalous. Now it’s a campy throwback and a clear sign that the people making this game really went the extra mile. The devil is, quite literally, in the details.