D# dominant 7th flat 5 · Piano
D#7♭5 Chord on Piano
The D#7♭5 chord (D# dominant 7th flat 5) is built from the notes D#, G, A and C#. The keyboard diagram below shows exactly which keys to press. The same chord is also written Eb7♭5; both spellings sound identical.
Chord diagrams
Notes in this chord
- D♯
- G
- A
- C♯
Degrees: 1 – 3 – ♭5 – ♭7
Also written: Eb7♭5
How to play
To play D#7♭5 on piano, press D#, G, A and C# together. In root position the lowest note is D#, and the finger numbers follow the keys left to right in the diagram.
Theory behind the chord
The 7♭5 chord lowers the fifth of a dominant seventh, thinning out the chord and sharpening its tension. It shows up in jazz and in altered dominant sounds heading towards a resolution. On D#7♭5 this structure sits on the root D#, so the degrees 1 – 3 – ♭5 – ♭7 map onto D#, G, A and C#.
Frequently asked questions
- Which notes are in the D#7♭5 chord?
- D#7♭5 contains the notes D#, G, A and C#. Relative to the root these are the degrees 1 – 3 – ♭5 – ♭7.
- Are D#7♭5 and Eb7♭5 the same chord?
- Yes. D#7♭5 and Eb7♭5 are enharmonically identical — the spelling differs but the frets and keys are the same. Which name is used depends on the key of the piece.
Practise D#7♭5 on your phone
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