| 摘要 |
PROBLEM TO BE SOLVED: To provide a unit and a method capable of leaving a name of an individual customer in a music selection device and storing music selection history for each individual customer instead of storing the music selection history of the individual customer on paper or the like. SOLUTION: In the music selection device for karaoke, identification information of a person who selects a music is registered and the selection history of the person corresponding to the identification information is registered. COPYRIGHT: (C)2007,JPO&INPIT
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