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What interval between the first and third notes distinguishes a minor scale from a major scale?
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scale
The universality and innate nature of music, and the pentatonic scale, as demonstrated by singer Bobby McFerrin.
The interval between the first and third notes is the primary factor that distinguishes a major scale from a minor scale. In a major scale, this interval is a major third, while in a minor scale, the third note is lowered by a half step, resulting in a minor third.12
Specifically, the major scale is defined by its specific pattern of intervals, where the third tone is a major third above the tonic. In contrast, the minor scale—including the natural, harmonic, and melodic forms—is characterized by a lowered third tone, creating a minor third interval from the first note.12