A display system for an electronic musical instrument includes an automatic performance information storage device for storing automatic performance information. The display system also includes a display device for displaying formulated musical notation based on the automatic performance information stored by that automatic performance information storage device. A performance tempo-setting device is provided for setting performance tempo. The length of a graphic corresponding to the length of a musical note displayed on said display device is set according to the performance tempo set by the performance tempo setting device. The display system also includes a scroll device that is adapted to scroll at a set speed regardless of the performance tempo.