| 摘要 |
An electronic musical apparatus such as an electronic musical instrument can be easily customized in accordance with a user's preference. Electronic musical instrument 20A and personal computers 40A, 40B can access server 50 via internet 10. A database that stores musical tone control data for controlling the generation of musical tone signals is provided in memory device 59 disposed in main body part 52 of server 50. Information on applicable apparatus types is annexed to the musical tone control data. At the time of purchasing electronic musical instruments 20A to 20C, the user is given a user identification data ID that can specify the apparatus types of electronic musical instruments 20A to 20C. With the use of this identification data ID, the user downloads the applicable musical tone control data from server 50 to electronic musical instrument 20A or to electronic musical instruments 20B, 20C via personal computers 40A, 40B.
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