"A famous taiko master from Kaga, Izutsuya Kanroku, was on a boat in the Sea of Japan when suddenly the boat stopped moving. It had gotten sailed over the back of an akugyo and gotten stuck. Kanroku was sure he was doomed. With nothing to do but wait for death, he played his with all of his remaining energy. He drummed so loud that the sound traveled across the sky and throughout the sea. His boat was shaken loose from the akugyo, and his life was saved." nghĩa là gì?