| 摘要 |
PROBLEM TO BE SOLVED: To suppress a data amount of update information and to reduce a distribution amount from a host when adding retrieval due to a new point of view.SOLUTION: A karaoke remote controller relating to this invention executes reception processing for receiving update information for updating data for musical piece retrieval from a host device or a karaoke device, update processing for adding identification information to a character field of a musical piece corresponding to the update information in the data for musical piece retrieval, and retrieval processing for extracting a musical piece having identification information in a character field in the case where an item corresponding to the identification information is designated. |
