This paper is aiming at the sound of folk songs,looks into BAIMAOSHANGE s structure by computer audio software COOLEDIT,and finds the symmetry and golden section in the SIJUTOU melody of BAIMAOSHANGE.

In Putonghua the tunes are divided into level tune,rising tune,rising-falling orfalling-rising tune and falling tune.

Viewing The Four-Sentences Doctrine of Yangming′s on the basis of the Longxi′s Doctrine;

"Four Sentences of Heng Qu" and the Intelligentsias Sense of Mission;