Modes of Harmonic Major

Harmonic major (1-2-3-4-5-b6-7) is the least explored of the four common parent scales. It lowers the 6th degree of the major scale, creating a bittersweet, unusual quality. Where harmonic minor gives a leading tone to minor, harmonic major brings an exotic darkness to major.

1. Harmonic Major

Formula: 1-2-3-4-5-b6-7 Character: Bittersweet major. The b6 creates a sudden darkness in an otherwise bright scale. Like a major scale that turns unexpectedly melancholic. Use: Over Maj7 chords when you want a darker color. The b6 creates unique melodic possibilities. Sometimes called the "Ethiopian scale" due to its use in Ethiopian music.

2. Dorian b5

Formula: 1-2-b3-4-b5-6-b7 Character: A half-diminished sound with Dorian flavor. The natural 6 brightens an otherwise dark mode. Use: Over m7b5 chords. Offers a different color than Locrian #2 from melodic minor.

3. Phrygian b4

Formula: 1-b2-b3-b4-5-b6-b7 Character: Extremely dark. The b4 (enharmonically a major 3rd) creates an ambiguous quality. Use: Rare. Useful as a compositional color over sus or Phrygian contexts.

4. Lydian b3 (Melodic Minor #4)

Formula: 1-2-b3-#4-5-6-7 Character: Minor with a Lydian #4 and major 7th. Exotic and sophisticated. Use: Over mMaj7#11 chords. Combines the warmth of minor with the brightness of Lydian. A fascinating, underexplored sound.

5. Mixolydian b2

Formula: 1-b2-3-4-5-6-b7 Character: Dominant with a dark b2. Similar to Phrygian Dominant but with a natural 6 instead of b6. Use: Over dominant 7(b9) chords. Provides a dominant sound with exotic coloring. More stable than the altered scale but more tense than standard Mixolydian.

6. Lydian Augmented #2

Formula: 1-#2-3-#4-#5-6-7 Character: Maximum brightness and exoticism. Three augmented intervals from the root. Use: Over augmented major chords. Extremely rare in practice but harmonically rich.

7. Locrian bb7

Formula: 1-b2-b3-4-b5-b6-bb7 Character: The darkest mode of harmonic major. A diminished quality with maximum flatness. Use: Over diminished 7th chords. The bb7 (enharmonic 6th) distinguishes it from standard Locrian.

Why Explore Harmonic Major?

Most jazz education skips harmonic major entirely. This is a missed opportunity. The scale contains unique chord qualities and melodic colors not available in any other parent scale. The bVImaj7 chord (e.g., Abmaj7 in C harmonic major) and the b6 melodic color are distinctive and immediately recognizable once you learn to hear them.