Chapter 76 Twelve Laws

That is, twelve tones with a semitone relationship of absolute pitch.In Western music, C, #C (bD), D, #D (bE), E, ​​F, (#) F (bG), G, #G (bA), A, #A (bB) , B to represent, and the Chinese rhythm is represented by the twelve rhythms from Huang Zhong to Ying Zhong.Now in order as follows: Law Name: Huang Zhong Da Lu Tai Cu Jia Zhong Gu Xi Zhong Lu Rui Bin Lin Zhong Yi Ze Nan Lu Wu She Ying Zhong The current phonetic name: f2# f2 g2# g2 a2# a2 b2 c3# c3 d3# d3 e3 Tube length: 9.00 8.42 8.00 7.49 7.11 6.66 6.32 6.00 5.62 5.33 4.99 4.77 Among the twelve laws, the six odd numbers, namely Huangzhong, Taicu, Guxi, Ruibin, Yize, and Wushe, are called "laws" and "yang laws"; the six even-numbered laws are Dalu , Jiazhong, Zhonglu, Linzhong, Nanlu, and Yingzhong are called "Lu", also known as "Yin Law", so the twelve laws are also called "Lv Lu".