EDIT: Ori has pointed me towards a live-action recreation, which I've added below.
I have been looking this lovely animation for ages, and all I had to go on was 'singing wolf', 'bear with bit of tree' 'hunter' and 'just really good'. Anyway, turns out it's Russian, which is why none of that helped. But it is lovely.
And the live action version:
BANGING AND SHOUTING IS AWESOME! As my daughter would agree.