Uploaded yesterday (January 13), the video sees Harvey dubstep his squawks for 45 seconds.
YouTube user Rainykauke posted: "Just for all concerned, we have never played dubstep to him.
"I just beatboxed around the house and he picked it up. There was no initial intention of teaching him this."
The video went viral almost immediately, and it has received more than 600,000 hits so far.
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