The pentatonic mode is used to form a melody, which is melodious and undulating, with a 4/4 beat and a medium speed. The monophonic structure

Mode means that a number of musical notes with different heights are organized together around a certain stable center tone according to a certain interval relationship and finally become an organic system. Such as Indonesian music and Thai music, each has its own rhythm and melody, so it has its own characteristics in the concept and structure of mode.