There are 40 multiphonics here, and it might seem rather daunting to have to play them all. You don't have to do that. The order has been randomised for you, so even if you only manage to get through half of them, I'll still collect a lot of useful data.
I've included a basic pitch diagram as well, as sometimes it helps to know what's supposed to come out before you get started.
Rate each multiphonic by difficulty:
1 - Very easy. Can more or less play straight away, speaks well with pitches mostly balanced.
2. Easy. Took a few tries, but can get a consistent result now.
3. Takes a few tries, and this speaks at least 50 percent of the time when I try to play it.
4. Difficult. Doesn't speak easily.
5. Can't get this multiphonic to speak at all.
If you want to remember this - you won't be able to see it once you start filling out the multiphonics, here's a link to a google doc that you can open in a new tab:
You don't have to give me your name/website address, but if you do, I'll thank and include links to your websites on the post!
This is the first time I've done a survey like this, so if you'd like to leave some feedback about the process at the end, that would be helpful! Thank you so much!