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Learn the D Half-Diminished 7th Chord on PianoDm7b5Half-Diminished 7th

Minor with flat 5

Chord Information

Learn how to play Dm7b5 on piano

Notes in Chord

D
F
Ab
C

Intervals

1
m3
d5
m7

Inversion

Notes (bottom to top): D4 - F4 - Ab4 - C5

Right Hand Fingering

Fingers: 1-2-3-5
1=thumb, 2=index
3=middle, 4=ring, 5=pinky

Interactive Piano

Click the highlighted keys to play the Dm7b5 chord

Click any key to load sounds
D
E
F
G
A
B
C
D#
F#
G#
A#
C#

About the Dm7b5 Chord

The Dm7b5 chord (Dø7) is one of jazz's most frequently used half-diminished chords. Built from D-F-Ab-C, this chord functions as ii in C minor—and since C minor is common in jazz standards, Dm7b5 appears constantly. Its dark, sophisticated color is essential vocabulary.

What makes Dm7b5 particularly important is its role in minor ii-V-i progressions. Dm7b5-G7-Cm is one of jazz's fundamental cadences. Every jazz pianist must master this chord and its voice leading to G7.

On piano, Dm7b5 combines D and C (white) with F and Ab (one black key). The chord sits naturally under the hand and voice-leads beautifully.

Music Theory & Usage

Dm7b5 functions primarily as ii in C minor, where it begins the minor ii-V-i (Dm7b5-G7-Cm). In Eb major, it serves as vii. The chord appears throughout jazz standards with minor themes.

The half-diminished sound is essential for any jazz pianist—it appears in nearly every standard with minor sections.

Famous Songs Using Dm7b5

Hear how professional musicians use the Dm7b5 chord in these well-known songs:

Autumn Leaves

by Joseph Kosma

Uses Dm7b5 in its minor turnaround

All the Things You Are

by Jerome Kern

Features half-diminished chords

What Is This Thing Called Love?

by Cole Porter

Contains Dm7b5 in minor sections

I Love You

by Cole Porter

Uses m7b5 for sophistication

How to Play Dm7b5 on Piano

  1. Place your thumb on D.
  2. Place your index finger on F.
  3. Place your middle finger on Ab.
  4. Place your pinky finger on C.
  5. Press all keys simultaneously to hear the Dm7b5 chord.

Recommended fingering: 1-2-3-5 (right hand)

Dm7b5 Chord Inversions

The Dm7b5 chord can be played in different inversions:

Root Position

D - F - Ab - C (bass note: D)

First Inversion

F - Ab - C - D (bass note: F)

Second Inversion

Ab - C - D - F (bass note: Ab)

Common Chord Progressions Using Dm7b5

ii-V-I Jazz Progression

Common chord progression

Em7Dm7b5Amaj7

I-vi-ii-V Progression

Common chord progression

Amaj7F#m7Em7Dm7b5

Practice Tips for Dm7b5

  • Start slowly and focus on pressing all keys simultaneously for a clean sound.
  • Practice transitioning between Dm7b5 and other common chords to build muscle memory.
  • Listen carefully to how the seventh interval creates tension and color in the chord.
  • Practice resolving this chord to its natural target chords in progressions.

Frequently Asked Questions about Dm7b5

What notes are in Dm7b5?

Dm7b5 contains D (root), F (minor 3rd), Ab (diminished 5th), and C (minor 7th). The Ab is what makes the 5th diminished.

Why is Dm7b5 so common in jazz?

Dm7b5 is the ii chord in C minor, a very common jazz key. The minor ii-V-i (Dm7b5-G7-Cm) appears constantly in standards. It's essential vocabulary.

How does Dm7b5 voice-lead to G7?

In Dm7b5-G7, D moves to D or B, F moves to F, Ab moves to G, and C can stay or move. The smoothest voice leading often keeps common tones while others move by step.

What's the difference between Dm7b5 and Dm7?

Dm7b5 (D-F-Ab-C) has diminished 5th (Ab)—dark, unstable. Dm7 (D-F-A-C) has perfect 5th (A)—smooth, stable. Dm7b5 is for minor ii-V-i; Dm7 is for major ii-V-I.

Quick Reference

Root NoteD
QualityhalfDiminished7
NotesD-F-Ab-C
Fingering1-2-3-5
Categoryseventh

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