Harmonious Geometry: The Hirajoshi Wave. Watch as these gravity-defying spheres trace the hauntingly beautiful paths of the C Hirajoshi scale. Each ball is tuned to a specific frequency within this traditional Japanese pentatonic scale (C, D, Eb, G, Ab), creating a mesmerizing "Polyrhythmic Pendulum" effect. As the balls oscillate at slightly different speeds, they drift into chaotic patterns before perfectly realigning into a breathtaking visual and auditory climax.From the sharp, angular bounc