Vortex Sound Research

Hey there,

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I got back into playing old Doom and love the music. It is a really cool chiptune-y soundtrack and I wondered, if it would be difficult to recreate this type of sound on modular. I mean... can't be that hard, right? Those machines back then basically had nothing to work with (old computers, Nintendo, Game Boy etc.). Has anyone tried recreating this and can share some basic (and maybe even advanced) modular recipes?