Patent ID: 7297861

Claim:
An automatic performance apparatus comprising: a performance data storage device storing performance data, said performance data including at least a particular type of control parameter and information indicative of a tone color, the tone color being of either a first type for which the particular type of control parameter presents a first variation characteristic or a second type for which the particular type of control parameter presents a second variation characteristic different from said first variation characteristic; a reception section that receives tone-color-change instructing information; and a performance control device that executes an automatic performance on the basis of the performance data stored in said performance data storage device, said performance control device executing the automatic performance based on the performance data by changing the tone color of the performance data to be automatically performed into a tone color corresponding to the tone-color-change instructing information received by said reception section, wherein said performance control device invalidates a tone color change instruction by the received tone-color-change instructing information, when the received tone-color-change instructing information instructs that the tone color of the performance data to be automatically performed be changed from a tone color of said first type to a tone color of said second type or from a tone color of said second type to a tone color of said first type.