Chord Information
Learn how to play D#m7b5 on piano
Notes in Chord
Intervals
Inversion
Notes (bottom to top): D#4 - F#4 - A4 - C#5
Right Hand Fingering
3=middle, 4=ring, 5=pinky
Interactive Piano
Click the highlighted keys to play the D#m7b5 chord
About the D#m7b5 Chord
The D#m7b5 chord exists primarily in theory, with its enharmonic equivalent Ebm7b5 appearing in practical music. Built from D#-F#-A-C#, this chord would function in sharp-heavy contexts, but Ebm7b5 (Eb-Gb-Bbb-Db) is conceptually cleaner in flat-key harmony.
Understanding D#m7b5's relationship to Ebm7b5 helps with transposition and theory. For pianists, they're physically identical—the same keys produce the same dark, sophisticated half-diminished sound.
The chord functions as ii in C# minor or vii in E major, though these functions more commonly use the sharp-key spelling.
Music Theory & Usage
D#m7b5/Ebm7b5 functions as ii in C# minor or Db minor respectively. The chord appears in jazz standards that venture into sharp or flat keys with minor themes.
In practical music, the spelling depends on key context—sharp keys use D#m7b5, flat keys use Ebm7b5.
Famous Songs Using D#m7b5
Hear how professional musicians use the D#m7b5 chord in these well-known songs:
“Note: Spelling depends on key context”
by Various
Use D#m7b5 in sharp keys, Ebm7b5 in flat keys
“Minority”
by Gigi Gryce
Uses half-diminished chords throughout
“Mr. P.C.”
by John Coltrane
Features m7b5 in its minor blues
“Equinox”
by John Coltrane
Contains half-diminished voicings
How to Play D#m7b5 on Piano
- Place your thumb on D#.
- Place your index finger on F#.
- Place your middle finger on A.
- Place your pinky finger on C#.
- Press all keys simultaneously to hear the D#m7b5 chord.
Recommended fingering: 1-2-3-5 (right hand)
D#m7b5 Chord Inversions
The D#m7b5 chord can be played in different inversions:
Root Position
D# - F# - A - C# (bass note: D#)
First Inversion
F# - A - C# - D# (bass note: F#)
Second Inversion
A - C# - D# - F# (bass note: A)
Common Chord Progressions Using D#m7b5
ii-V-I Jazz Progression
Common chord progression
I-vi-ii-V Progression
Common chord progression
Practice Tips for D#m7b5
- Start slowly and focus on pressing all keys simultaneously for a clean sound.
- Practice transitioning between D#m7b5 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 D#m7b5
Is D#m7b5 the same as Ebm7b5?
Yes, enharmonically identical. D#m7b5 appears in sharp-key contexts; Ebm7b5 in flat-key contexts. Same pitches, different notation based on key signature.
What notes are in D#m7b5?
D#m7b5 contains D# (root), F# (minor 3rd), A (diminished 5th), and C# (minor 7th).
What key is D#m7b5 the ii chord of?
D#m7b5 is the ii chord in C# minor. The progression D#m7b5-G#7-C#m is the minor ii-V-i in C#.
Which spelling should I use?
Use D#m7b5 in sharp keys (C# minor, E major) and Ebm7b5 in flat keys (Db minor, E major enharmonic as Fb). Match the key signature for readability.