The 1955 shihan training sessions in Tokyo began with O-Sensei wielding a Jo in “Kagura Mai” (神楽舞 / “Dance of the Gods”). When questioned about technique during the training sessions O-Sensei would just repeat the “Kagura Mai” without saying a word." - more on the Aikido Sangenkai blog: Aikido Shihan Sadao Takaoka – Meeting O-Sensei