This lecture is the harmonic minor scale.
Harmonic minor scale has Whole-and-a-Half step interval in the scale. Although this interval may give unique vibes to the sound, as I referred it in the page of Indian scale, Gypsy scale and Oriental scale, It is more important that 7th note became a leading tone.
Each pitch of Harmonic minor scale.
C | D | E | F | G | A | B | ||||||
C Harmonic Minor Scale | ♪ | ♪ | ♪ | ♪ | ♪ | ♪ | ♪ |
A | B | C | D | E | F | G | ||||||
A Harmonic Minor Scale | ♪ | ♪ | ♪ | ♪ | ♪ | ♪ | ♪ |
Then, the 5th chord becomes a dominant function.
Harmonic minor scale has the following triads and 7th chords.
Triad | Am | Bm(b5) | Caug | Dm | E | F | G#m(b5) |
---|---|---|---|---|---|---|---|
Degree Names | Im | IIm(b5) | bIIIaug | IVm | V | bVI | VIIm(b5) |
7th Chord | AmM7 | Bm7(b5) | CM7(#5) | Dm7 | E7 | FM7 | G#dim7 |
---|---|---|---|---|---|---|---|
Degree Names | ImM7 | IIm7(b5) | bIIIM7(#5) | IVm7 | V7 | bVIM7 | VIIdim7 |
Let's listen to the sample song using the Harmonic minor scale.
If you use this scale at the point of perfect cadence (V-I) in the Minor Key, a good melody can easily be made.