What is octave? What is octave?

1, octave refers to eight musical instruments, such as bell, harp, flute, sheng, jade, drum and sui. Eight tones are also the general name of ancient musical instruments in China. In the Western Zhou Dynasty, musical instruments at that time were divided into eight categories according to their materials: gold, stone, earth, leather, silk, wood and bamboo.

2. Eight tones are traditional percussion instruments in China. It was originally the earliest scientific classification of musical instruments in the history of China.