Thailand has since settled in the Indochina peninsula. And established the Kingdom of Thailand up Thus begins Thailand depicted the history of written evidence, namely the Kingdom of Sukhothai in Thailand was strengthened. And after King Ramkhamhaeng had already used up calligraphers Thailand. Since then, it turns out that the written evidence of musical Thailand. The stone inscriptions Literature Books And document each historical era, which can be used as evidence in the hearing. The growth and evolution of musical Thailand since the Sukhothai period onwards, until a pattern appears in the current.