- Related Topics:
- scale
- diatonic
- key
- Aeolian mode
minor scale
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What is a musical scale?
In music, a scale is any stepwise sequence of notes, tones, or intervals that divide an octave. Scales are defined by their interval relationships, with certain scales becoming conventional within a culture or musical tradition.
A minor scale is a seven-step sequence with a half step between the second and third notes. They are classified as natural, harmonic, or melodic. The natural minor scale lowers the third, sixth, and seventh tones of the major scale by a half step. The harmonic minor scale raises the seventh tone of the natural minor scale by a half step. The melodic minor scale differs in that it has different intervals for ascending and descending.
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What is a minor scale in music?
In Western music, a minor scale consists of seven stepwise pitches that span an octave, characterized by a half step between the second and third notes.
There are three forms of minor scales:
* Natural minor This scale lowers the third, sixth, and seventh tones of the major scale by a half step.
* Harmonic minor This scale raises the seventh tone of the natural minor scale by a half step.
* Melodic minor This scale has different intervals when ascending and descending. The ascending form has only a lowered third tone, while the descending form is identical to the descending natural minor scale.Each major and minor scale has parallel keys (sharing the same tonic note) and relative keys (sharing the same key signature but starting on a different pitch).
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How does a minor scale sound different from a major scale?
The major scale features two whole steps, a half step, then three whole steps, and another half step. For instance, C major is C-D-E-F-G-A-B-C.
The natural minor scale lowers the third, sixth, and seventh tones of the major scale by a half step. This results in a whole step, then a half step, followed by two whole steps, a half step, and two whole steps. The C minor scale is C-D-E♭-F-G-A♭-B♭-C.
In modern music, minor keys are often linked to negative emotions, possibly because they are more dissonant or less common than major keys.
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What are the different types of minor scales?
In music theory, a minor scale is a diatonic scale with a characteristic minor third interval. There are three main types of minor scales.
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Natural Minor Scale This scale lowers the third, sixth, and seventh tones of the major scale by a half step. The intervals are whole step, half step, two whole steps, half step, and two whole steps.
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Harmonic Minor Scale This scale raises the seventh tone of the natural minor scale by a half step. The intervals are whole step, half step, two whole steps, half step, a step and a half, and a half step.
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Melodic Minor Scale This scale has different intervals when ascending and descending. When ascending, it includes only a lowered third tone, with intervals of a whole step, half step, and four whole steps. When descending, it is identical to the natural minor scale.
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How is the natural minor scale constructed?
The natural minor scale, a seven-note scale fundamental to Western music, is characterized by specific intervals. It lowers the third, sixth, and seventh tones of the major scale by a half step.
The resulting sequence is a whole step, half step, whole step, whole step, half step, whole step, and whole step. For instance, the C natural minor scale is C-D-E♭-F-G-A♭-B♭-C. The half steps in a natural minor scale occur between the 2nd and 3rd, and the 5th and 6th degrees.
Each major scale has a relative minor that starts on the sixth tone of the major scale. For example, A minor is the relative minor of C major.
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minor scale, in Western music, seven stepwise pitches that form an octave arranged in one of three possible sequences, all having in common a half step (or semitone) between the second and third notes. Minor scales are classified as natural, harmonic, or melodic.
Western music is based on a seven-note (or heptatonic) scale. The natural minor scale is a heptatonic scale with altered third, sixth, and seventh tones. The melodic minor and harmonic minor scales also contain the lowered third tone but have alterations in other places.
Music theory
The major scale has two whole steps (tones), a half step (semitone), three whole steps, and, finally, a half step. An example is the C major scale, C-D-E-F-G-A-B-C, which is in the key of C major and contains no altered intervals. The natural minor scale lowers the third, sixth, and seventh tones of the major scale by a half step, resulting in a whole step, then a half step, followed by two whole steps, a half step, and two whole steps. Thus, the natural C minor scale is C-D-E♭-F-G-A♭-B♭-C.
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The harmonic minor scale raises the seventh tone of the natural minor scale by a half step. The result is a whole step, then a half step, followed by two whole steps, a half step, a step and a half, and, finally, a half step. Thus, in harmonic C minor the progression of notes is C-D-E♭-F-G-A♭-B-C.
The third minor scale is melodic minor. This scale differs from the other minor scales in that it has different intervals for ascending and descending. The ascending melodic minor scale includes only a lowered third tone, yielding a whole step, then a half step, followed by four whole steps, and, finally, a half step. In C minor, the progression would be C-D-E♭-F-G-A-B-C. The descending melodic minor scale is identical to the descending natural minor scale—C-B♭-A♭-G-F-E♭-D-C.
In modern music theory, each major and minor scale has a parallel key and a relative key. Parallel keys share the same tonic (or initial) note. For example, C major and C minor are parallel keys because they share the tonic of C. Relative keys share the same key signature and the same notes but start on a different pitch. For example, both C major and A minor have no accidentals, so the relative minor of C major is A minor, and C major is the relative major of A minor. The relative minor key always starts on the sixth tone of its relative major scale, or a minor third (three half steps) below the relative major. Thus, a C major scale is C-D-E-F-G-A-B-C. The A minor scale starts on A, the sixth note of the C major scale: A-B-C-D-E-F-G-A.
History
Modern Western major and minor scales developed from ancient Greek modes (tonoi). While there is much speculation around the Greek modes, they are considered to be a pattern of half and whole steps with a tonal centre that was confined to an octave, similar to the modern Western concept of keys. There was no chromatic alteration in the modes, and each mode was built on a different tone and the notes arranged in a descending order. The seven Greek modes were described by Ptolemy as Dorian, Hypodorian, Phrygian, Hypophrygian, Lydian, Hypolydian, and Mixolydian. Additional modes were described in the 16th century. Swiss music theorist Henricus Glareanus cited a total of 12 modes in his book Dodecachordon; the four modes added by Glareanus were Aeolian, Hypoaeolian, Ionian, and Hypoionian.
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In modern music, the tendency is to associate minor keys with negative emotion; however, the reason for this is unclear. Some theories are that the major keys are more common, that minor keys are more dissonant, that cultural associations have created the distinction, and that minor keys are more likely to result in unstable tonality.
Minor scales also exist in non-Western musical systems. In contrast with the heptatonic scale, the five-note pentatonic scale is often used in East and Southeast Asian, Native American, and sub-Saharan African music. The major pentatonic scale consists of two whole steps, then a step and a half, followed by a whole step, then another step and a half (e.g., C-D-E-G-A-C). The pentatonic minor scale consists of a step and a half, two whole steps, a step and a half, and a whole step (C-E♭-F-G-B♭-C).