To more additionally enjoy musical effects by inputting the changes of 'emotion' and 'music tones' momentarily desired by individual persons or service providers in appreciating and delivering music or the 'atmospheres', 'time zones', etc., in rooms and stores, with the lapse of time, on software, preparing a music selection order list meeting these changes and automatically reproducing these musical pieces.

The 'musical piece list data with discrete character information' with the intrinsic character information added for every musical piece and the 'music tone time transition data' formed by inputting the time transition of the 'emotion', 'brightness and darkness', 'strongness and weakness', etc., desired by users to their parameters are formed by using the software to be exclusively used in a data base of the musical tone voice files. The 'reproduction sequence list' undergoing music selection by referencing the corresponding parameters of the time point data of the respective parameters and the 'musical piece list data with discrete character information' along the time base is completed from the 'music tone time transition data'. The musical piece files are successively and automatically reproduced, delivered and broadcast in accordance therewith.