Notes in Cm6
The Cm6 chord contains 4 notes: C, E♭, G, A
Intervals
| Interval | Semitones | Note | Function |
|---|---|---|---|
| R | 0 | C | Root |
| ♭3 | 3 | E♭ | Minor 3rd |
| 5 | 7 | G | Perfect 5th |
| 6 | 9 | A | Major 6th |
About C Minor 6th Chords
Minor 6th chords add the natural 6th to a minor triad. They spell out the Dorian mode and appear frequently in jazz (particularly in minor ii-V-I progressions) and in bossa nova. The natural 6th adds warmth that sets them apart from min7.
Compatible Scales & Modes
These scales contain all the notes of Cm6 and can be used for soloing, improvising, and writing melodies over this chord.
Playing C minor sixth on Guitar
The C minor sixth chord, spelled C, E♭, G, A, occupies a specific harmonic role that depends on the musical context. In the key of C major, the most fundamental key in Western music, this chord can function as a primary harmony or as a passing color depending on where it appears in the progression. Understanding which scale degrees produce C-rooted chords helps you predict chord progressions and improvise melodies that complement the harmony.
On guitar, C minor sixth voicings benefit from open position voicings that resonate beautifully on acoustic guitar. The physical shape of this chord on the fretboard determines its tonal character — the same notes arranged in different voicings produce noticeably different sounds due to string gauge, fret position, and overtone content. Experiment with playing C minor sixth in multiple positions to find the voicing that best fits the register and texture of the music you are working on.
Adding the major sixth to C minor creates an intriguing tension between the minor third and major sixth intervals. Cm6 has a bittersweet quality that works beautifully in jazz minor key progressions and as the tonic chord in melodic minor contexts.
When practicing C minor sixth, use the compatible scales listed above to improvise melodies and riffs. Start by playing the chord, then explore the scale tones one at a time to hear how each note sounds against the harmony. This ear training exercise connects your theoretical knowledge of C-rooted chords to practical musicianship skills that improve your playing across all genres and styles.