| 摘要 |
An automatic performance apparatus that realizes automatic performance with a variety of different arrangement patterns. The automatic performance apparatus uses automatic performance data that is formed from common data (for example, a main melody portion), and data of a plurality of arrangement styles. A user can select an arrangement style from the plurality of arrangement styles. By selecting an arrangement style, the common data representative of the main melody and data of the selected arrangement style are read out for the automatic performance. The automatic performance data includes identification data for identifying common data and the plurality of arrangement styles from each other. By using the identification data, common data and data for a selected arrangement are identified and selectively extracted so that the automatic performance is performed with a selected arrangement.
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