To provide an electronic musical instrument, an electronic musical instrument lesson processing method, and an electronic musical instrument lesson program, having a lesson mode in which a sense of pitch is easily obtained.SOLUTION: An electronic musical instrument 1 of the present invention performs a direction discrimination processing which discriminates which direction the operator corresponding to a second pitch is arranged as viewed from the operator corresponding to a first pitch from music data including data indicating the first pitch to be specified, data indicating the second pitch to be specified next to the first pitch, and data indicating a third pitch to be specified next to the second pitch, and an accompaniment progression processing which makes an accompaniment of the music data progress from the second pitch to the sound before the third pitch, when any one of the operators among a plurality of operators arranged in the same direction as the direction discriminated by the direction discrimination processing as viewed from the previously specified operator is specified, in accordance with the timing when an operator corresponding to the second pitch should be specified.SELECTED DRAWING: Figure 7
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