| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique for reserving a musical performance after members for a chorus are invited and applicants gather. SOLUTION: A musical performance reservation system of a karaoke machine is equipped with a means of temporarily reserving a desired chorus musical piece for which person to participate in a chorus are invited, a means of giving notice of the temporarily reserved chorus invitation musical piece, a means of receiving applications for the chorus invitation musical piece, and a means of registering the chorus invitation musical piece for which the applications are inputted in a queue of musical performance reservations. COPYRIGHT: (C)2005,JPO&NCIPI
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