POLYGOGO VCA Hack Stereo Oscillator Sound Demo, 2 Eurorack Modular Synthesizer

In the previous video I used the amazing POLYGOGO as sort of a drone, soundscape machine. Here its hooked up to the beautiful TUESDAY procedural sequencer from This Is Not Rocket Science. The fold circuit serves as a VCA and is fed an envelope from MATHS. That same envelope goes into the OP (internal FM) Amount input for a quasisortoffilter idea. About the foldVCA thing: I noticed that feeding a negative voltage into the fold circuit and turning the attenuator to between 2 and 3 oclock will silen