Cloudbusting is a full Modular synthesiser. It has 11 points that can be patched. 6 modes. Modulation points but also Audio with experimental sounds. Most famous sounds that are used for experimental purposes as deep Drones. And also the Inspired sound of the plum. The sound of ciat lonbarde plumbutter / Rolls5 Also some weird frequency modulation. And a lot more. every knob control voltage.
More info here: Error Instruments | Cloudbusting