Finger Positions

Root Note C

Name C minor over D#

Intervals 1P-3m-5P

Relative Minor Eb

Notes D#, C, Eb, G

Aliases Cm, Cmin, C-

How to play the Cm/D# Chord

The Cm/D# is a fundamental minor 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 C minor over D# is built using the 1P, 3m, 5P intervals. In the key of C Major, this chord functions as the I chord.

Common Progressions

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

I-V-vi-IV

Cm → Gm → Ab → Fm

vi-IV-I-V

Ab → Fm → Cm → Gm

The Diatonic Family

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

Triads

Cm Ddim Eb Fm Gm Ab Bb

7ths

Cm7 Dm7b5 Ebmaj7 Fm7 Gm7 Abmaj7 Bb7

Scale Compatibility

View All Scales

Minor Major Blues Minor Blues Melodic Minor Harmonic Minor Dorian Phrygian Vietnamese 1 Pelog Hirajoshi Minor Pentatonic Minor Six Pentatonic Flat Three Pentatonic Minor #7m Pentatonic Minor Hexatonic

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

Acoustic & Digital Analysis

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

MIDI Numbers 63, 60, 63, 67

Frequencies (Hz)

311.1269837220809, 261.6255653005986, 311.1269837220809, 391.99543598174927