| 摘要 |
PROBLEM TO BE SOLVED: To prevent player's confusion by preventing occurrence of a conflict between a notified performance mode and a peculiar performance to be executed actually.SOLUTION: There are a plurality of performance modes (for example, a performance mode A, a performance mode B) that have different performance modes and can execute a peculiar performance (for example, a notice performance). As operation using operation means (for example, a push button 120), operation in a first operation mode (for example, single pressing), and operation in a second operation mode (for example, long-pressing) having a longer period required for the operation than that of the first operation mode can be determined. Then, based on start of operation in the second operation mode within an operation effective period during execution of variation display of a performance pattern, the performance mode is changed and it is reported that the performance mode has been changed. |
