The current changes in the era of globalization affect to Thai classical music very much. Thai people deteriorated popularity in Thai classical music. Thai classical music band that use to play in the religious ceremony has be seen as an extravagance and unnecessary. Result in Thai classical musicians had insufficient income for the living. Thai classical music teacher cannot shoulder expenses for patronage disciples who studied and lived at home anymore. Either Thai youth began to interest in foreign cultures more than Thai cultures. The number of learner interested to study Thai classical music decreased. Thai Government was aware of this problem very much. If let it continue. Thai music might lose from heritage of the national culture. Therefore, the Thai Government had defined a curriculum to transfer the correct Thai music knowledge for Thai youth learned and practiced because Thai music was something which indicate the prosperity civilization of Thai society that important and very valuable, deserved to transfer this knowledge for the youth to conserve Thai music, so as Thai national cultural heritage forever.