And having a clear notion of this is worth more than 70 different colors of paint — because with those three principal colors and black and white, one can make more than 70 tones and varieties.

Note: there are three directories under Audio, corresponding to the following tones.

For the pitches of music are partly restricted by tones of a language, one cannot neglect the relation between the regional folksongs of the Three Gorges tone and its dialectal tones.