Interpret, concretize and set grades - Is it that simple? A study of similarities and differences in local grading criteria in music. The purpose of this study is to examine similarities and differences in local grading criteria in music at schools in a larger municipality in the south of Sweden. The research question is: How have schools interpreted national grading criteria locally and how do music teachers look upon the grading procedure? This study is based on an analysis of the grading criteria at ten schools.