translation.en: The harp has four separate pendulums, and each pendulum has 11 strings, so the harp swings on its axis and also rotates in order to play different musical notes, and the harps are all networked together so that they can play the right notes at the right time in the music.
translation.zh: 这个竖琴有四个分开的摆， 每一个摆上有 11 条弦， 竖琴可以在它的轴上摇摆并旋转 来演奏出不同的音符， 所有的竖琴都相互联网 这样它们就可以在 正确的时间奏出正确的音符。