ABSTRACT
Music practice courses require assistance in the learning process. Hence, innovation in textbook materials development must be adapted to the instrument characteristics. This study discusses the significance of etude variations in the development of Youth Level Viola learning books as a trigger for students’ skills. This study uses a mixed method with the Research and Development method developed by ADDIE models. The development of Youth Level Viola learning books is empirically able to show significant results in the learning process. The product trial was conducted at the Music Study Program, Universitas Negeri Surabaya with purposive sampling. Data analysis of product validity results is arranged in a questionnaire scale. The aspect of product validity test is appropriate with the Indonesian National Education Standards Agency criteria. As a result of the effectiveness, the percentage of 90% indicates that the Youth Level Viola learning book can be a guide for students to practice.
