| 摘要 |
A Karaoke apparatus (4), a host apparatus (2) and a management apparatus (3) are interconnected through a communication line (6) e.g. coaxial CATV cable to constitute a centralized system. The host apparatus receives an entry code requesting a Karaoke service of a desired song from the Karaoke apparatus for supplying a music data of the desired song. The management apparatus receives an order code requesting an additional service e.g. food, drinks or tickets from the Karaoke apparatus for attending to the order code and returning a response message. An input device (5) has a primary use for inputting the entry code and a secondary use for inputting the order code. A player is operated for reproducing the desired song according to the received music data thereby to provide the Karaoke service, and a display is operated for displaying the received response message thereby to indicate how the additional service is managed. <IMAGE>
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