Abstract: A game system includes: a changing unit for changing at least one parameter representing condition of game character in accordance with a situation of game; a storage unit for storing a plurality of music data in correspondence with the parameter; and a reproducing unit for reading out the music data corresponding to the parameter from the storage unit to reproduce game music.

Abstract: A game system includes: a game music storage device for storing music data corresponding to music to be reproduced in a predetermined scene during a game; a game control device for executing a game based on a predetermined game program and for reading out the music data of the game from the game music storage device and outputting the read-out music data; and a music reproducing device for reproducing the music data of the game outputted by the game control device, wherein the game control device comprises a music data producing means for producing a new music data different in arrangement, based on the music data, and outputting the produced music data to the music reproducing device.