Slayer's 'Raining Blood' if it were played on a Casio VL-1 synth. Everything is a VL-1 sound. Including (actually, I should say ESPECIALLY) the drums. This is by far the stupidest thing/song I've ever done.
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I'm not really a Slayer fan (or thrash metal in general), but the main opening riff from this song is a rightful classic. I also love the really really fast part and how it turned out in this nonsense. The "solo" at the end is a bunch of annoying sqealy sounds (kind of like the real version, only different).