A performance guiding image display method for displaying in a display means an image stored in a storage medium in synchronism with a reproduction of a background music selected from a plurality of background music stored in the storage medium, and performing a predetermined operation to the image display means upon receiving operation signals from a plurality of music instruments to be played by player, said method comprising the steps of:
- dividing the display area of the image display means into a plurality of sections;
- displaying in the plural sections respectively the operation instruction patterns for the simulated music instruments corresponding to the reproduced background music in synchronism with the reproduced background music;
- and
- outputting a playing sound corresponding to the operation instruction pattern for the playing sound of the music instrument stored in the storage medium so as to correspond to respective operation instruction patterns when the simulated music instrument is operated in accordance with the operation instruction pattern displayed on the display means.