D Double Harmonic Scale
Reviewed for accuracy · Last updated June 2026 · Maintained by Justin Evans
Practice D Double Harmonic Scale
Reading about it is one thing. Drilling it is what makes it automatic.
Introduction

The D Double Harmonic scale contains seven notes: D, E♭, F♯, G, A, B♭, and C♯. It follows the whole-step / half-step pattern H-A2-H-W-H-A2-H.
D Double Harmonic Scale Notes
| Degree | Name | Note | Interval |
|---|---|---|---|
| 1 | Tonic | D | P1 |
| 2 | Supertonic | E♭ | m2 |
| 3 | Mediant | F♯ | M3 |
| 4 | Subdominant | G | P4 |
| 5 | Dominant | A | P5 |
| 6 | Submediant | B♭ | m6 |
| 7 | Leading Tone | C♯ | M7 |
| 8 | Octave | D | — |
Key Signature
The D Double Harmonic Scale doesn’t line up with a single major or minor key, so it has no standard key signature. Its notes are written with accidentals as needed.
Accidentals
Diatonic Chords in the D Double Harmonic Scale
These are the triads built on each degree of the D Double Harmonic Scale:
| Degree | Numeral | Chord | Quality |
|---|---|---|---|
| 1 | I | D Major | Major |
| 2 | II | E♭ Major | Major |
| 3 | iii | F♯ Minor | Minor |
| 4 | iv | G Minor | Minor |
| 5 | V | A altered | altered |
| 6 | VI+ | B♭ Augmented | Augmented |
| 7 | VII | C♯ altered | altered |
D Double Harmonic Scale — Frequently Asked Questions
What are the notes of the D Double Harmonic Scale on piano?
What notes are in the D Double Harmonic Scale?
How many sharps or flats does D Double Harmonic have?
What does the D Double Harmonic Scale sound like?
Related Tools
References & Further Reading
How this scale page is sourced & verified
The note names, intervals, fingering, and harmony on this page are drawn from the established body of Western music theory and verified against the conventions below — the same fundamentals taught in conservatories and music programs. We list categories of source material rather than individual titles, and reference the standards themselves rather than any single edition.
- Standard music theory texts — Widely taught fundamentals of pitch, rhythm, and notation.
- Western tonal harmony conventions — Established rules for chord construction, voice leading, and key relationships.
- Interval and chord construction standards — The conventional spelling of intervals, triads, sevenths, and extensions.
- Scale and mode theory — The common derivation of major, minor, pentatonic, blues, and modal scales.
- Piano pedagogy and technique references — Long-standing practices for fingering, hand position, and practice.
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