That's actually a really cool final smash. Its a reference both to the Bongo games, but also to DK64, where DK had a Bongo-related move that sent out shockwaves.
Plus you can tap buttons to beat the drums. How cool is that?
"[Our former customers] are unable to find software which they WANT to play."
"The way to solve this problem lies in how to communicate what kind of games [they CAN play]."
Satoru Iwata, Nintendo President. Only slightly paraphrased.

















