Ah come on, man. That bowed psaltery seems fairly straightforward (yet awesome), but the digeridoo and the circular breathing thing is something else. Don't downgrade it cause you (maybe) can actually play it well.
+5 for a bearded guy who actually plays compelling music on obscure instruments, rather than the more typical strain of bearded guys who simply own obscure instruments and carry them around to get attention.
-1 for Whoops! hipster camerapeople.