| 摘要 |
PROBLEM TO BE SOLVED: To make current music be performed later than the following music piece to be reserved. SOLUTION: A karaoke device comprises: an input means capable of receiving input of a music piece ID without a constraint flag, and input of a music piece ID with the constraint flag, according to a user's operation input; and a means for performing karaoke music piece by control of a control means. The music pieces are sequentially performed according to the music piece ID which is registered in a queue, and when the input of the music piece ID without the constraint flag and the music piece ID with the constraint flag are received, constraint music piece performance processing which gives priority to the music piece without the constraint flag, over the music piece ID with the constraint flag, is performed. COPYRIGHT: (C)2008,JPO&INPIT
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