Didgeridoo making can be an art to which one has to find path in total darkness. Makers keep their secrets. However, there are some secrets that are important and easy to share, like this one.
To keep that reference didgeridoo is your orientation, your compass in didgeridoo making and if you are really striving for greatness, great didgeridoos will push you forward.
Also, you can hear how high end didgeridoos compare between themselves. The mic is an entry-level one and some sounds are clipping a bit, but you will get an idea.
To explore more the didgeridoo universe, please visit:
www.duendedidgeridoo.com/