Finger Positions

D#m#5/C# diagram
Root Note D#
Name D# minor augmented over C#
Intervals 1P-3m-5A
Relative Minor Cm
Notes C#, D#, F#, B
Aliases D#m#5, D#-#5, D#m+

How to play the D#m#5/C# Chord

The D#m#5/C# 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# minor augmented over C# 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#m#5/C# 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
Minor Harmonic Minor Diminished Phrygian Locrian Vietnamese 1 Pelog Hirajoshi Malkos Raga Augmented Altered Locrian #2 Ultralocrian Augmented Heptatonic Balinese

* 15 scales found containing the notes C#, D#, F#, B.

Acoustic & Digital Analysis

Digital footprint of the D#m#5/C# chord for MIDI programming and synthesizer sound design.

MIDI Numbers 61, 63, 66, 71
Frequencies (Hz)

277.1826309768721, 311.1269837220809, 369.9944227116344, 493.8833012561241