OK, so this is pretty funny:
The New York Times discusses this phenomenon here and here.
This new novelty song featuring a fox making weird sounds reminds me of this older novelty song featuring a fox making weird sounds:
Of course, the answer to the question “What Does the Fox Say” is “it barks”:
MonkeyMoonMachine 
Nicely done! And this fox thing is an international phenom! I’ve seen it many times already on French television and saw them interviewed on morning TV.
Interesting. I kinda like to see some silliness in pop culture after there has seemed to be so much melodrama and self-seriousness in so much pop culture and pop music.