Patent ID: 7507898

Claim:
A music reproduction device for reproducing data of a musical composition selected from a plurality of musical compositions, the music reproduction device comprising: a musical composition data storage section that stores data of the plurality of the musical compositions; an attribute information storage section that stores attribute information, which is information relating to the data of the musical composition, for each of the data of the plurality of the musical compositions which are stored on said musical composition data storage section; a reproduction section that reproduces the data of the musical composition stored on said musical composition data storage section; an operational information obtaining section that obtains operational information corresponding to a user's operation which represents an instruction on an action of said reproducing section; a control section that selects the data of the musical composition to be reproduced by said reproducing section; and a clock section that measures an elapsed time from a reproduction start time at which said reproduction section reproduces the data of the musical composition, wherein said control section includes a selection condition calculation section which changes relative merits of the attribute information relating to the data of the musical composition in accordance with details of the operational information obtained by said operational information obtaining section during the data of the musical composition being reproduced by said reproducing section, and then calculates, based on the relative merits of the attribute information, a condition that selects the data of the musical composition to be reproduced by said reproducing section, and said selection condition calculation section changes, when said operational information obtaining section obtains the operational information during the data of the musical composition being reproduced by said reproduction section, the relative merits of the attribute information relating to the data of the musical composition in accordance with the details of the operational information and the elapsed time when the operational information is obtained.