Automatic performing apparatus and automatic performing program

An automatic performing apparatus being an automatic performing apparatus that automatically performs performance data segmented into a plurality of performance sections, the apparatus comprising:

• a first automatic performing unit configured to perform automatic performance of the performance data in a first performance section at a first tempo in response to an input of a first external event;
• and
• a second automatic performing unit configured to, when a second external event is input before a first period elapses after the automatic performance in the first performance section is finished, perform automatic performance of the performance data in a second performance section at a second tempo different from the first tempo, the second automatic performing unit configured to, when the second external event is input after the first period elapses after the automatic performance in the first performance section is finished, perform the automatic performance of the performance data in the second performance section at the first tempo or a tempo of the performance data in the second performance section.

The automatic performing apparatus according to claim. 16, wherein

• the second automatic performing unit is configured to calculate the second tempo according to the first tempo, a performance time when the performance is performed at the first tempo in the entire first performance section, and a time from the input of the first external event to the input of the second external event.