C#69 guitar chord
The third voice from the top lowered an octave. The dropped voice becomes the bass, which is why a string is skipped.
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About C#69 — drop 3 voicings
C#69 is C#, E#, G#, A# and D# — C#6 with the ninth added as well.
It sounds wide and entirely at rest. The modern way to voice a tonic when a triad is too bare and a maj7 too pointed.
C#69 notes and formula
| C# | E# | G# | A# | D# |
|---|---|---|---|---|
| 1 | 3 | 5 | 6 | 9 |
Tonic — it commits to nothing.
Also written C#6/9, C#6add9 or C# six nine. The same chord either way; which spelling you meet depends on who wrote the chart.
How to play C#69
The same operation one voice further down: the third voice from the top falls an octave and becomes the bass.
That leaves a bigger hole under the top three notes, so a string gets skipped: the muted string in the middle is the shape, not a mistake.
C#69 has 9 of them, on strings 5-3-2-1 and strings 6-4-3-2, from open position up to the 13th — every inversion the chord has: C# in the bass, E# in the bass, A# in the bass and D# in the bass. The one to learn first is the C# shape at the nut.
5 of them sit on strings 6-4-3-2, so you can run the inversions up one set without changing strings — which is the whole reason to learn them as a family rather than as separate grips.
Start with x41321 — no barre and down at the nut. None of the shapes for C#69 uses an open string, so every one of them is movable; the lowest sits at the 1st fret. 7 of the 8 need a barre. Together they cover the neck from the 1st fret to the 14th.
| Frets | Where | Bass | Top | Hand |
|---|---|---|---|---|
| x11121 | 1st fret | A#, 6th in the bass | E# | barred |
| x41321 | 1st fret | C#, root position | E# | all fretted |
| x43344 | 3rd fret | C#, root position | G# | barred |
| x66666 | 6th fret | D#, 9th in the bass | A# | barred |
| 988899 | 8th fret | C#, root position | C# | barred |
| x-x-11-10-11-11 | 10th fret | C#, root position | D# | barred |
| x-11-11-10-11-11 | 10th fret | G#, 2nd inversion | D# | barred |
| x-13-13-13-14-13 | 13th fret | A#, 6th in the bass | E# | barred |
The same notes rebuilt from scratch give 3 shell, 13 drop 2 and 12 rootless voicings, each on its own page.
Tensions. A shell of C#69, root, third and seventh, leaves a string free, and the tones that belong over it are the #11 (F##).
How to use C#69
How you get to it. The turn that lands on C#69 is D#m7 to G#7 — the ii and the V of C# — and G#7 shares its third and seventh with D#m7, so the hand barely moves between them.
In which keys. Every note of C#69 belongs to C# major (the I), Eb minor (the ♭VII), F minor (the ♭VI), F# major (the V), Ab major (the IV) and Bb minor (the ♭III).
What to play over C#69
C#69 is every note of the C# major pentatonic, and nothing else. It also sits inside C# major, C# lydian, C# mixolydian and C# lydian dominant.
Chords near C#69
Change one note of C#69 and you have C#maj9 (the sixth becomes a major seventh), C#maj13 (add the major seventh), C#m69 (the major third becomes a minor third), C#add9 (drop the sixth), C#6 (drop the ninth) or C#9 (the sixth becomes a flat seventh).
C#69 is a major chord — root, major third, fifth. Major chords on every root.
On C#69’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.