The study aims to investigate the history and techniques of the vocal performance for Lamtad By Poh Puk Sri Racha. It reveals that the Poh Puk Sri Racha group was founded by Mr.Puk Akepoj in 1943.Mrs. Prapim Akepoj is Poh Puk’s daughter who received and continued the original style of Lamtad performance from her father. The performance of Lamtad entails four Ramana (a frame drum), Ching (a pair of cymbal) and the vocalists. The master piece of Poh Puk was. Lamtad Kor Kai – Hor Nokhook.According to the analysis of the vocal performance of Kor Kai – Hor Nokhook, it is able to show the quality of the author’s performance and vocal techniques. Mrs. Prapim Akepoj had been passed on all the vocal techniques from Master Puk Akepoj. The vocal parts have consisted of 3 parts: introduction, the lyric and the ending on the introduction’s part. In the introduction, there was no rhythmic accompaniment. The techniques used for vocal performances are employed only for a group of single voice by drawing out a note with using 2 syllables and 3 syllables. The decorations of the melody were done by using the sound “aoey” at the beginning of the sentence. Other techniques included breathing techniques with 7-8 measures and it was divided into 4 measures as well as 3 measures
