This research presents the study of Hom-rong Ta-yoi diaw song, which had objectives 1) to study thehistory of Hom-rong Ta-yoi diaw song and 2) to analyze the components of Hom-rong Ta-yoi diaw song.As a result, the findings can be summarized as followed;Part 1: The study of the history of Hom-rong Ta-yoi diaw songKru Samran Kerdphol was a resident of Ayutthaya province. He started study Thai music with KruJamrat Kerdphol and Kru Sangwian Kerdphol. Later, he studied with Kru Petch Jannad, Kru TiebKonglaithong, Kru Chad Sunthornwatin, Kru Chor Sunthornwatin, and Kru Ard Sunthorn. Kru SamranKerdphol had composed Hom-rong Ta-yoi diaw song on 1996. Since he discovered that Grao overturewas composed, he composed Hom-rong Ta-yoi diaw song to performed against Grao overture and passedon to his students in the Phatthayarat Piphat ensemble to perform for Her Royal Highness PrincessMahachakri Sirindhorn in 1999. After that, it was passed on to the students in College of Music, MahidolUniversity and performed in many important events.Part 2: The analysis of the components of Hom-rong Ta-yoi diaw songHom-rong Ta-yoi diaw song was a Thai verse overture, which had both slow and middle speed beatsand used Song Mai rhythm. It was suitable to be performed by double Piphat ensemble. In addition, therewere many performing techniques including whole band Thirty-second notes, Sixteen note melody, roundmelody, and solo. This song had a complete and thorough performance pattern. Therefore, the potentialof the performer could be fully exposed.Kru Samran Kerdphol used the structure of Ta-yoi diaw song to compose Hom-rong Ta-yoi diawsong with 4 scales, which were C scale, D scale, F scale, and G scale. The scale that occurred the mostwas G scale with 164 paragraphs. The followings were C scale and F scale with 52 and 15 paragraphs,respectively. In addition, the least was D scale with 6 paragraphs. Moreover, improvising the melody ofRanad ek using the significant notes of main melody and constantly using passing notes created harmonymelody. Although the solo of each instrument was performed in a short duration only once, theuniqueness of each instrument was still presented completely.Key words: Hom-rong, Ta-yoi diaw song, history, component
