THIS IS RAVEN – https://youtu.be/U3vYcL8wVu4
GRAB A RAVEN & SUPPORT THE PROJECT HERE – https://bit.ly/ravensynth
This patch using the oscillators mixed together into one channel of a VCA/mixer and the oscillating filter (now another voice) into another channel of the VCA/mixer. They then amplitude modulate at audio rates (AM synthesis) each other to create new related overtones that are different to FM.