Music playback setting method

The invention addresses the achieving of music playback for practical training for an actual dance battle. This playback system (SY) is characterized in that the playback system (SY) comprises: a setting means (13) for setting a length of playback time corresponding to the length of performance time for each team in the dance battle, and a play count corresponding to the number of rounds in the dance battle; and a first mode playback means (24) for selecting a number of musical compositions corresponding to the play count that has been set, and playing back music data for each musical composition selected for exactly the length of time corresponding to the length of playback time.