Construction
D Half Diminished = Root + Minor 3rd + Diminished 5th + Minor 7th = D, F, A♭, C
| Note | Interval | Degree |
|---|---|---|
| D | Root | 1 |
| F | Minor 3rd | ♭3 |
| A♭ | Diminished 5th | ♭5 |
| C | Minor 7th | ♭7 |
How to Play the D Half Diminished
Right Hand (RH)
Place your right hand over the keys with the thumb on the root. Use the fingering: 1 – 2 – 3 – 5
Left Hand (LH)
For the left hand, start with your pinky on the root. Use the fingering: 5 – 3 – 2 – 1
D Half Diminished Inversions
- Root positionD – F – A♭ – C
- 1st inversion (Dm7♭5/F)F – A♭ – C – D
- 2nd inversion (Dm7♭5/A♭)A♭ – C – D – F
- 3rd inversion (Dm7♭5/C)C – D – F – A♭
Same Notes, Other Names
The notes D – F – A♭ – C aren’t exclusive to this chord. Depending on which note is the bass and how the chord functions, the same pitches also spell:
D Half Diminished : Frequently Asked Questions
What is the D Half Diminished chord on piano?
The D Half Diminished chord contains the notes D – F – A♭ – C. On piano, play these notes together to sound the chord.
What notes are in the D Half Diminished chord?
Dm7b5 contains: D, F, Ab, C. Diminished triad with minor seventh.
How does Dm7b5 differ from Ddim7?
Dm7b5 has C (minor seventh). Ddim7 has B/Cb (diminished seventh).
How is Dm7b5 used?
ii chord in C minor (Dm7b5–G7–Cm). Essential jazz minor-key harmony.
What songs use Half Diminished?
Autumn Leaves, jazz standards.
How does Dm7b5 differ from Dm7?
Flatted fifth (Ab vs A).
Is Dm7b5 the same as Fm6?
Same notes, different root.