Finger Positions

Root Note D#

Name D# dominant sharp ninth over D

Intervals 1P-3M-5P-7m-9A

Relative Minor Cm

Notes D, D#, G, A#, C#, F#

Aliases D#7#9

How to play the D#7#9/D Chord

The D#7#9/D is a fundamental dominant chord in guitar music. To play this chord correctly, ensure your fingers are placed precisely on the frets indicated in the diagram above.

Music Theory Analysis

From a theoretical perspective, the D# dominant sharp ninth over D is built using the 1P, 3M, 5P, 7m, 9A intervals. In the key of D# Major, this chord functions as the I chord.

Common Progressions

In music composition, the D#7#9/D chord is often used to create tension or resolution.

I-V-vi-IV

D# → A# → Cm → G#

vi-IV-I-V

Cm → G# → D# → A#

The Diatonic Family

Understanding the "family" of chords that belong to D# helps with transposition and ear training.

Triads

D# Fm Gm G# A# Cm Ddim

7ths

D#maj7 Fm7 Gm7 G#maj7 A#7 Cm7 Dm7b5

Scale Compatibility

View All Scales

Hungarian Major Flamenco Spanish Heptatonic Bebop Minor Half-Whole Diminished Kafi Raga Composite Blues Messiaen's Mode #3 Chromatic

* 9 scales found containing the notes D, D#, G, A#, C#, F#.

Acoustic & Digital Analysis

Digital footprint of the D#7#9/D chord for MIDI programming and synthesizer sound design.

MIDI Numbers 62, 63, 67, 70, 61, 66

Frequencies (Hz)

293.6647679174076, 311.1269837220809, 391.99543598174927, 466.1637615180899, 277.1826309768721, 369.9944227116344