MINOR SCALES
The minor scale in music theory may refer to “HEPTATONIC SCALE” which the first, third, and fifth scale degrees form a minor triad. There are three types of minor scale, which include the natural minor, harmonic minor and melodic minor scales.
NATURAL MINOR SCALE
The natural minor scale is also known as Aeolian scale. It has the same notes component as its relative major scale. It starts from the sixth note of its relative major scale and ends up on the same sixth note. See below example:
Natural minor scale
A-B-C-D-E-F-G-A
1-2-3b-4-5-6b-7b-8
E---------5---------
B—5—6—8-------
G---4—5—7------
D---5—7----------
A---5—7—8------
E---5—7—8------
Relative major scale
C-D-E-F-G-A-B-C
1-2-3-4b-5-6-7-8
E-----------------------
B—10—12—13-----
G---9—10—12------
D---7—9--10--12---
A---7—8—10-------
E---8—10------------
HARMONIC MINOR SCALE
Harmonic minor scale or Aeolian #7 is almost the same as the Natural minor scale; the only difference is the seventh note is raise one semi-tone. See below example:
Harmonic scale
A-B-C-D-E-F-G#-A
1-2-3b-4-5-6b-7-8
E-------4--5------
B—5—6—------
G---4—5—7---
D---6—7--------
A---5—7—8----
E---5—7—8----
MELODIC MINOR SCALE
The melodic minor scale is used mainly in melodic lines. The melodic scale has a two different form; it differs from ascending and descending. When it is ascending or going up the only lowered note is the third note while descending lowered the third, sixth, and the seventh note. The descending melodic scale is the same as Natural minor scale. See below example:
Ascending melodic minor
A-B-C-D-E-F#-G#-A
1-2-3b-4-5-6-7-8
E-----4----5-------
B—5—7----------
G---4—5—7------
D---4—6--7------
A---5—7----------
E---5—7—8------
Descending melodic minor
A-B-C-D-E-F-G-A
1-2-3b-4-5-6b-7b-8
E---------5----------
B----5-------8-------
G---4-----5----7----
D---5----7-----------
A---5----7---8-------
E---5----7---8-------
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