As the 2015 Revised Music Subject Curriculum is implemented, there is a need to investigate the extent to which the revised music contents are being implemented in the classroom class. It is necessary to develop appropriate tools to monitor the extent to which the 2015 Revised Music Subject Curriculum could be implemented in classroom instruction. Therefore, this study purpose to provide tools to monitor how music and curriculum are operated in music class by developing monitoring tool of the 2015 Revised Music Subject Curriculum. In order to reach the goal of this research, music instructional contents were compiled on the theoretical background in music and curriculum documents. The questionnaires that monitor whether the contents of the document can be executed in the classroom were designed and developed, and it was repeatedly verified whether or not the questions of the developed tools were valid. In this advisory opinion, the implication of Music Subject Curriculum and improvement were suggested and presented.