Yeah I am guessing it is from the motor RPM pitch but I would like to find out. The Renault F1 engine could famously play tunes this way. https://youtu.be/XRX

Yeah I am guessing it is from the motor RPM pitch but I would like to find out. The Renault F1 engine could famously play tunes this way. https://youtu.be/XRXwWbo_mX0?t=60 https://youtu.be/XRXwWbo_mX0?t=60