D# Minor 9th

Notes:D# – F# – A# – C# – F
Formula:R-m3-P5-m7-M9
Intervals:P1-m3-P5-m7-M9
Scale Degrees:1-b3-5-b7-9

Introduction

The D# Minor 9th piano chord (D#m9) consists of the notes D#, F#, A#, C#, F. It is a minor 7th chord with an added major 9th, giving it a dark yet lush character widely used in jazz, soul, and R&B progressions. Formula: R-m3-P5-m7-M9 | Scale degrees: 1-b3-5-b7-9.

Enharmonic equivalent: D♯ is enharmonically equivalent to E♭. See Eb Minor 9th.

Notes

Notes:D# – F# – A# – C# – F

D# Minor 9th Inversions

PositionNotes
Root PositionD#4 – F#4 – A#4 – C#5 – F5
1st InversionF#4 – A#4 – C#5 – D#5 – F5
2nd InversionA#4 – C#5 – D#5 – F5 – F#5

Key Signature

The key of D# Minor 9th has 6 sharps: F♯, C♯, G♯, D♯, A♯, E♯.

FCGDAE

Theory: Intervals

Formula: R-m3-P5-m7-M9
Intervals: P1-m3-P5-m7-M9

The D# Minor 9th is built by stacking intervals from the root note. The formula R-m3-P5-m7-M9 describes the scale degrees used. The intervals P1-m3-P5-m7-M9 show the distance between each note in the chord.

D# Minor 9th — Frequently Asked Questions

What notes are in the D# Minor 9th chord?

D# Minor 9th is built from the D# root. Check the interactive keyboard above for exact notes and fingering.

How is the D# Minor 9th chord used in music?

D# Minor 9th appears in jazz, pop, and classical contexts. Its sound depends on the chord quality (Minor 9th).

What is the fingering for D# Minor 9th?

See the fingering chart above. Right hand typically uses thumb on root. Left hand uses pinky on root.

What are the inversions of D# Minor 9th?

Use the inversion buttons above to see each inversion with notes, fingering, and staff notation.

Practice Tips

  • Rich, extended jazz voicing.
  • The 9th adds colour and depth.
  • Practice dropping less essential notes.
  • Compare with the simpler 7th version.
  • Jazz, R&B, neo-soul applications.
  • Spread voicings sound best.