抄録
The purpose of this study is to clarify "the aspects of the musical generation" by intellectually disabled children. For this purpose the activity of making music to "Yukiwatari" (kenji Miyazawa's poem) was planned and worked on by the students of a senior high school for intellectually disabled children. This study is focused on Maruta's (boy's fictious name) music-making and the process is analyzed from the following points. 1. How does the performance change by the media, Speech, Movements and Sounds? 2. How does the image change to what Maruta wants to express? As the result these were clarified, In the outer world, the performance was produced by the medium: Speech, movements and sounds. The medium were individually changed. The common factor in any expression of media is an "Aggregation"-phase consisting of 1. Fractional expression, 2. Fractional expression combination, 3. Look expression appearance, 4. Constituent elements unity. In the inner world, the images changed in relation to the matters to be expressed. They had the following steps: 1. Obscure image, 2. Concrete image, 3. Image connected to the life feeling, sensational and reflection, 4. Dynamic image, Story image. The performance and the image both developed while interacting with each other.
