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The minor third may be derived from the harmonic series as the interval between the fifth and sixth harmonics, or from the 19th harmonic. The minor third is commonly used to express sadness in music, and research shows that this mirrors its use in speech, as a tone similar to a minor third is produced during sad speech. [2]
In music theory, a minor chord is a chord that has a root, a minor third, and a perfect fifth. [2] When a chord comprises only these three notes, it is called a minor triad . For example, the minor triad built on A, called an A minor triad, has pitches A–C–E:
Major and minor third in a major chord: major third 'M' on bottom, minor third 'm' on top. Major and minor may also refer to scales and chords that contain a major third or a minor third, respectively. A major scale is a scale in which the third scale degree (the mediant) is a major third above the tonic note. In a minor scale, the third degree ...
Third interval may refer to one of the following musical intervals in equal-temperament tuning: major third; minor third; augmented third; diminished third; Alternatively, it may apply to neutral third
For example, the just interval 7/6 may be referred to as a subminor third, since it is ~267 cents wide, which is narrower than a minor third (300 cents in 12-TET, ~316 cents for the just interval 6/5), or as the septimal minor third, since it is a 7-limit interval. These names refer just to the individual interval's size, and the interval ...
Other scales with a minor third and a perfect fifth (i.e. containing a minor triad) are also commonly referred to as minor scales. Within the diatonic modes of the major scale , in addition to the Aeolian mode (which is the natural minor scale), the Dorian mode and the Phrygian mode also fall under this definition.
The extremes of the meantone systems encountered in historical practice are the Pythagorean tuning, where the whole tone corresponds to 9:8, i.e. (3:2) 2 / 2 , the mean of the major third (3:2) 4 / 4 , and the fifth (3:2) is not tempered; and the 1 ⁄ 3-comma meantone, where the fifth is tempered to the extent that three ...
the third – its interval above the root being a minor third (three semitones) or a major third (four semitones) the fifth – its interval above the third being a minor third or a major third, hence its interval above the root being a diminished fifth (six semitones), perfect fifth (seven semitones), or augmented fifth (eight semitones).