E Half-Whole Diminished scale
The E Half-Whole Diminished scale is a 8-note half-whole diminished scale built on the root E. Its notes are E, F, G, A♭, B♭, B, C♯ and D. Octatonic scale alternating half then whole steps — symmetric, dissonant, the standard choice over a dominant 7♭9 chord in jazz. This page covers the formula, fingerings, diatonic chords and common progressions that make E Half-Whole Diminished a great tool for improvising and composing.
The half-whole diminished is the standard scale over a dominant 7♭9 chord in jazz. Its symmetry means a phrase transposed by minor third still fits the chord, perfect for fast harmonic motion. Built on the root E, the scale takes on the specific colour and pitch range of that key - making it especially useful in genres and registers where E is a comfortable tonal centre.
E Half-Whole Diminished on the piano
E Half-Whole Diminished on the guitar
E Half-Whole Diminished on the staff
Hear the E Half-Whole Diminished scale
Improvisation drone
Loop the root note as a pad to practice improvising over this scale.
Notes of the E Half-Whole Diminished scale
| Degree | Interval | Semitones | Note |
|---|---|---|---|
| 1 | 1P | 0 | E |
| 2 | 2m | 1 | F |
| 3 | 3m | 3 | G |
| 4 | 3M | 4 | A♭(Ab) |
| 5 | 4A | 6 | B♭(Bb) |
| 6 | 5P | 7 | B |
| 7 | 6M | 9 | C♯(C#) |
| 8 | 7m | 10 | D |
How to use the E Half-Whole Diminished scale
Because E Half-Whole Diminished has fewer or more than seven notes, it doesn't produce a standard set of seven diatonic triads. Instead, build chords by stacking thirds within the scale or use it as a melodic colour over chords drawn from a related diatonic key.
The half-whole diminished is the standard scale over a dominant 7♭9 chord in jazz. Its symmetry means a phrase transposed by minor third still fits the chord, perfect for fast harmonic motion.
Practice tips
Practise the scale starting from each chord tone of the underlying dominant 7♭9 (1, ♭3, ♭5, ♭♭7) — they're all four equivalent because of the symmetry, and that insight is what makes diminished playing fast and fluid.
Famous songs
E Half-Whole Diminished appears throughout the half-whole diminished is the standard scale over a dominant 7♭9 chord in jazz. its symmetry means a phrase transposed by minor third still fits the chord, perfect for fast harmonic motion. Listening to music in this scale and transcribing short phrases is the fastest way to absorb its sound.
Scales related to E Half-Whole Diminished
Once you are comfortable with E Half-Whole Diminished, explore related scales to expand your vocabulary. The scales below share notes, modes or tonal centres with E Half-Whole Diminished and are a natural next step in your study.
Formula & step pattern
The E Half-Whole Diminished scale follows an eight-note symmetric scale alternating half-step then whole-step (1, ♭2, ♭3, 3, ♯4, 5, 6, ♭7). Step pattern: H - W - H - W - H - W - H - W. Intervals from the root: 1P · 2m · 3m · 3M · 4A · 5P · 6M · 7m. Memorising the formula lets you transpose the scale to any other root note quickly.
Frequently asked questions
What notes are in the E Half-Whole Diminished scale?
What is the formula for the E Half-Whole Diminished scale?
Is E Half-Whole Diminished a major or minor scale?
What chords belong to the E Half-Whole Diminished scale?
Which genres use E Half-Whole Diminished?
How do I practise the E Half-Whole Diminished scale?
Take E Half-Whole Diminished into your music
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