Just found on YouTube.


I believe he was using an adapter and also utilizing ribbon to spice it up.

https://m.youtube.com/watch?v=E3YIf1rhj6A



https://m.youtube.com/watch?v=Cco3yVM-E9s


https://m.youtube.com/watch?v=855VXn0oBJk


Using vocoder to simulate breath controller ( in Turkish but directions are self explanatory)


https://m.youtube.com/watch?v=JMvlOcbQ6UU


Using Pa80’s vocoder
https://m.youtube.com/watch?v=iFXaSm1MECc

https://m.youtube.com/watch?v=r8LUhF4sbbQ