The pianist plays the piano using his or her own musical representation, listening attitude of the mind and performing technique. The musical representation is considered as a source of piano performance. The function of the musical representation is exercised in perfecting technique and internal listening. The object of instruction in the piano performance can be found in developing the student's musical representation. The purpose of this study was to present a schematic illustration of musical representation in F. Chopin's Scherzo I Op.20. In addition, the effectiveness of this method was discussed.