D# Augmented 7th

Notes:D# – G – B – C#
Formula:R-M3-A5-m7
Intervals:P1-M3-A5-m7
Scale Degrees:1-3-#5-b7

Introduction

The D# Augmented 7th piano chord (D#+7) consists of the notes D#, G, B, C#. It is an augmented triad with an added minor 7th, giving it a bright, tense, and unresolved character with a strong upward pull. Formula: R-M3-A5-m7 | Scale degrees: 1-3-#5-b7.

Enharmonic equivalent: D♯ is enharmonically equivalent to Eā™­. See Eb Augmented 7th.

Notes

Notes:D# – G – B – C#

D# Augmented 7th Inversions

PositionNotes
Root PositionD#4 – G4 – B4 – C#5
1st InversionG4 – B4 – C#5 – D#5
2nd InversionB4 – C#5 – D#5 – G5
3rd InversionD#4 – G4 – B4 – C#4

Key Signature

The key of D# Augmented 7th has Key signature data not available.

Theory: Intervals

Formula: R-M3-A5-m7
Intervals: P1-M3-A5-m7

The D# Augmented 7th is built by stacking intervals from the root note. The formula R-M3-A5-m7 describes the scale degrees used. The intervals P1-M3-A5-m7 show the distance between each note in the chord.

D# Augmented 7th — Frequently Asked Questions

What notes are in the D# Augmented 7th chord?

D# Augmented 7th is built from the D# root. Check the interactive keyboard above for exact notes and fingering.

How is the D# Augmented 7th chord used in music?

D# Augmented 7th appears in jazz, pop, and classical contexts. Its sound depends on the chord quality (Augmented 7th).

What is the fingering for D# Augmented 7th?

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

What are the inversions of D# Augmented 7th?

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

Practice Tips

  • Dominant with raised fifth.
  • Resolves to the tonic.
  • Whole-tone scale colour.
  • Jazz altered dominant.
  • Compare with D#7 and D#aug.
  • Creates forward motion.