Scales Fingering Memorization Strategy in the Basic Instrument Course I. Scales play an important role as a fundamental basic to play piano. Studying scales will give students the opportunity not only developing hands coordination but also building the strength of hands and fingers. In doing the scales, the first thing to do is memorizing fingering on every scale, because every scale has their own fingering. The learning strategy to memorize fingering's scales is by grouping the same fingering that is use for several scales. This research aims to study the use of grouping fingering towards students learning achievement in the subject of Instrumen Dasar I at Music Education Study Program, Performing Arts Faculty, Indonesia Institute of the Arts Yogyakarta, second semester of the academic year 2017/2018. As the result of this study, it can be concluded that grouping fingering help the students to memorize scale's fingering in learning scales.