As a human, I am capable of emitting all manner of crazy sounds from my gob. My vocal & nasal cavity, tongue, throat, vocal cords and lungs all working together to create a vast range of noises. This has long been a fascination of mine but for some reason it has taken me until now to consider harnessing this in a "soft musical instrument".
Miles and I discussed this in our Monday Morning Meeting this week. I am sure good stuff will come of it. Taking some inspiration from the following: