By the way we should have forecast since Oda drew these scenes that he was going into a surreal route with Wano arc:
And to these ones we can add other surreal scenes that were not comical but still surreal: Denjiro changing face because of the demon of rage,Gyukimaru,a fox who can trasnform in human...altough those were inspired by the japanese folklore,they were still surreal moments for One Piece. I think Oda is doing it on purpose,he wanted Wano to be this arc that will be remembered as the most absurd arc of the story. Also,the fact that its divided between acts,with Hiyori playing the shamisen during the beginning and end of the acts,could it be connected to Luffy's powers? Who knows!