This paper examined the formal characteristics of the four enlightenment-gasa(啓蒙歌辭) works in Jeguksinmun(帝國新聞) and reviewed whether they are Gasa(歌辭) or not. Here, the Gasa is defined as a verse with style continuum of tetrameter and consists of three stages, ‘introduction(序詞)-body(本詞)-conclusion(結詞)’. The subjects of analysis are four works, in previous studies, were presented as arguments with high validity in arguing that they became the formal beginning of enlightenment-gasa. The analysis results of metric pattern and composition are as follows. On the metric pattern, diameter, tetrameter, and hexameter are mixed according to the content. The compositon is generally two-stage. These proved that the four works are not Gasa.
In the analysis results of Chapter 3, the following two problems were raised. First, the definition of Gasa should be loosened to categorize the enlightenment-‘gasa’ into Gasa, or a new term suitable for the mode of enlightenment-gasa should be devised. Second, in exploring the formation process of enlightenment-gasa, research perspective should not be fixed at the text media, including newspapers, but be expanded to the performing media. The first problem is that it is possible when the exploration of the trends of poetry of the time and its previous era proceeds. Therefore, Chapter 4 briefly explored the trend of the works enjoyed and performed at the performance places, paying attention to the second problem.
As a result, it was revealed that the single-form divisional work with tetrameter appeared and was enjoyed as early as a century ago, or at the latest half a century before the publication of Jeguksinmun(帝國新聞). These works took various forms crossing the boundaries of various modes to the extent that it was difficult to categorize them into the preceding specific modes. This resulted in the need for a new mode term for the enlightenment-“gasa”. Considering the trend of the works enjoyed and performed at the performance places, the term Gasa(歌詞) may be appropriate temporarily, but the ne term should be named through careful research in the future.