Was that ritual dance, the mimicking of the famed Brazilian "Capoeira" ? I remember long time ago when Master Ohyama
creator of the clan Karate-do, the Kyokushin-ryu, whom fought then very intricate way of fighting a la Capoeira martial art-dance mix,there in Brazil. Then he said, Capoeira, very rare and enigmatic thus beaware the kick coming sweeping from the low circular motion.
He also stated, one of the hardest martialy induced method he ever fought..Fearsome....
https://www.youtube.com/watch?v=Il9ObsFHjVM