What do you mean, the Du Jie model?

They are all Japanese national models. It is also a pentatonic scale, but it is different from the pentatonic scale of China's national mode. Our pentatonic scale is based on the three-point profit-loss method, and the first tone is 1.

2

three

five

6。 Japan's Ryukyu model is 1.

three

four

five

7。 Du Jie mode is 3.

four

six

seven

1。