Finger Positions

Root Note D#

Name D# augmented over A

Intervals 1P-3M-5A

Relative Minor Cm

Notes A, D#, G, B

Aliases D#aug, D#+, D#+5, D#^#5

How to play the D#aug/A Chord

The D#aug/A is a fundamental augmented 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# augmented over A is built using the 1P, 3M, 5A intervals. In the key of D# Major, this chord functions as the I chord.

Common Progressions

In music composition, the D#aug/A 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

Flat Six Pentatonic Whole Tone Pentatonic Lydian #5p Pentatonic Augmented Mystery #1 Six Tone Symmetric Whole Tone Locrian Major Double Harmonic Lydian Altered Mixolydian B6 Lydian Augmented Ultralocrian Augmented Heptatonic Leading Whole Tone

* 15 scales found containing the notes A, D#, G, B.

Acoustic & Digital Analysis

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

MIDI Numbers 69, 63, 67, 71

Frequencies (Hz)

440, 311.1269837220809, 391.99543598174927, 493.8833012561241