| 摘要 |
A musical tone signal generating apparatus enabling a user to designate a desired chord in a selected key of a piece of music with a simple operation such as operating a numeric key. A chord assigning section assigns numeric keys with respective ones of numeric keys in a key of a piece of music selected by a key selecting section. When any of the numeric keys is operated, a performance control unit reads out, from a chord table, note numbers of chord tones constituting the diatonic chord assigned to the operated numeric key, and outputs sounding instruction data including tone pitch data. In timing in which the sounding instruction data is inputted, a tone generator generates musical tone signals according to the tone pitch data, and causes via a sound system a speaker to sound musical tones.
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