C#m6 guitar chord
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About C#m6 — 1st inversion
C#m6 is C#, E, G# and A# — C#m with a major sixth added on top.
It sounds bittersweet — minor underneath, major on top. The major sixth over a minor triad comes from the melodic minor, and it is the classic jazz minor tonic.
C#m6 notes and formula
| C# | E | G# | A# |
|---|---|---|---|
| 1 | ♭3 | 5 | 6 |
Minor tonic — an ending chord in a minor key.
Also written C#min6, C#-6 or C# minor 6. The same chord either way; which spelling you meet depends on who wrote the chart.
How to play C#m6
C#m6 in 1st inversion puts E in the bass instead of C#, the 3rd of the chord. The notes are the same; what changes is what the bass line does, which is most of why you would reach for it — it lets the lowest voice move by step where the root would have jumped.
One of C#m6’s 8 common shapes does this: x7869x.
Start with x4635x — no barre and low, at the 3rd fret. None of the shapes for C#m6 uses an open string, so every one of them is movable; the lowest sits at the 2nd fret. 3 of the 8 need a barre. Together they cover the neck from the 2nd fret to the 13th.
| Frets | Where | Bass | Top | Hand |
|---|---|---|---|---|
| x42324 | 2nd fret | C#, root position | G# | all fretted |
| x4635x | 3rd fret | C#, root position | E | all fretted |
| x46x56 | 4th fret | C#, root position | A# | all fretted |
| xx6656 | 5th fret | G#, 2nd inversion | A# | barred |
| x7869x | 6th fret | E, 1st inversion | G# | all fretted |
| 9x8999 | 8th fret | C#, root position | C# | barred |
| 9-11-11-9-11-9 | 9th fret | C#, root position | C# | barred |
| x-x-11-13-11-12 | 11th fret | C#, root position | E | all fretted |
The same notes rebuilt from scratch give 6 shell, 13 drop 2 and 9 drop 3 voicings, each on its own page.
Tensions. A shell of C#m6, root, third and seventh, leaves a string free, and the tones that belong over it are the 9 (D#) and the 11 (F#).
How to use C#m6
How you get to it. The turn that lands on C#m6 is D#m7♭5 to G#7♭9: the ii and the V of C# minor, which is where a minor tonic is usually arrived at rather than simply begun on.
In which keys. Every note of C#m6 belongs to Ab minor (the iv, the subdominant) and B major (the ii, the supertonic).
What to play over C#m6
Every note of C#m6 is in C# dorian, C# melodic minor and C# half-whole diminished.
Chords near C#m6
Change one note of C#m6 and you have C#m (drop the sixth), C#dim7 (the fifth becomes a flat fifth), C#m69 (add the ninth), C#m7 (the sixth becomes a flat seventh), C#mMaj7 (the sixth becomes a major seventh) or C#madd9 (the sixth becomes a ninth).
C#m6 is a minor chord — root, minor third, fifth. Minor chords on every root.
On C#m6’s sound and use this page follows Mark Levine, The Jazz Piano Book (Sher Music, 1989). The shapes and the derived voicings come from different places, and both are explained in where the chords and the theory come from.