Light emitting sections are provided in proximity to a plurality of performance operators that are provided, on the body of an electronic musical instrument, for performing tone-generation instructing operation corresponding to operation of strings on a natural musical instrument, and the light emitting sections illuminate the performance operators with controlled light emission. Thus, a human operator can visually identify the position of each performance operator to be operated with an enhanced visibility. Further, because the light emitting sections are provided in proximity to the performance operators to allow the instrument body to appear shining to persons viewing the human player playing the musical instrument, the persons can view the performance operation by the human player with an enhanced visibility.