| 摘要 |
Settings of a table as to correspondence between performance parts and tracks can be changed as desired through operation by a user. If the settings of the table have been changed when a visual performance guide is to be provided for a given performance part, the changed settings are automatically referred to so that performance data of a particular track related with the given performance part is selected and used for the performance guide. Namely, whenever the settings of the table are changed, corresponding relationship between tracks and performance parts can be newly set in an automatic fashion, so that it is possible to eliminate a need for a user to repeat a same cumbersome changing operation each time an automatic performance is to be initiated.
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