| 摘要 |
PROBLEM TO BE SOLVED: To accurately and easily inform a music piece which is desired to sing as a request music piece to other users, in a karaoke system equipped with a request music piece information function by which a prescribed user informs the music piece requested to the other users, to the user who is requested. SOLUTION: At least the music piece requested to other users is registered in a user database, by relating it to a user ID. When the music piece to the user of the other user ID which is already obtained is included, in the music pieces requested to the other user, which are registered by relating them to the user ID obtained by the user, a requested music piece corresponding to the user ID of the requested user is extracted and stored so as to be displayed by relating it to the user ID of the requested user to be informed. COPYRIGHT: (C)2009,JPO&INPIT
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