Finger Positions

D#5/C# diagram
Root Note D#
Name D# fifth over C#
Intervals 1P-5P
Relative Minor Cm
Notes C#, D#, A#
Aliases D#5

How to play the D#5/C# Chord

The D#5/C# is a fundamental unknown 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# fifth over C# is built using the 1P, 5P intervals. In the key of D# Major, this chord functions as the I chord.

Common Progressions

In music composition, the D#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
Major Pentatonic Major Minor Major Blues Minor Blues Melodic Minor Harmonic Minor Bebop Dorian Lydian Mixolydian Phrygian Ionian Pentatonic Mixolydian Pentatonic Ritusen

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

Acoustic & Digital Analysis

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

MIDI Numbers 61, 63, 70
Frequencies (Hz)

277.1826309768721, 311.1269837220809, 466.1637615180899