Root, third and seventh: the guide tones fix the quality, so the fifth is dropped. That is what leaves a string free, so pick a tension to put on top.
Gm69 is G, Bb, D, E and A — Gm6 with the ninth added as well.
It sounds cool and entirely at rest. No seventh, so nothing leans: a common last chord of a minor tune.

| G | Bb | D | E | A |
|---|---|---|---|---|
| 1 | ♭3 | 5 | 6 | 9 |
Minor tonic — nothing in it is pulling.
Also written Gm6/9, Gmin6/9 or G-6/9. The same chord either way; which spelling you meet depends on who wrote the chart.
Root, third and seventh. The third and seventh, the guide tones, are what make the chord major, minor or dominant, so the fifth can go: it says nothing the symbol needs.
Three notes means a spare string, which is the real point. Put a tension on it.
Gm69 has 4 of them, on the bottom four strings, the top four strings and the middle four strings, from open position up to the 13th — all in one inversion, so the bass note never moves. The one to learn first is the G shape at the nut, which is the easiest grip here.
Start with 310230 — no barre and 2 open strings. 1 of the 9 shapes here sits in open position. 5 of the 9 need a barre. Together they cover the neck from the 1st fret to the 10th.
| Frets | Where | Bass | Top | Hand |
|---|---|---|---|---|
| 310230 | open position | G, root position | E | 2 open strings |
| 3122xx | 1st fret | G, root position | A | all fretted |
| x12233 | 1st fret | Bb, 1st inversion | G | all fretted |
| 3x2335 | 2nd fret | G, root position | A | barred |
| 3x5355 | 3rd fret | G, root position | A | barred |
| xx5355 | 3rd fret | G, root position | A | barred |
| x55355 | 3rd fret | D, 2nd inversion | A | barred |
| 655755 | 5th fret | Bb, 1st inversion | A | barred |
| x-10-8-9-10-x | 8th fret | G, root position | A | all fretted |
The same notes rebuilt from scratch give 13 drop 2, 8 drop 3, 14 rootless and 4 open string voicings, each on its own page.
Tensions. A shell of Gm69, root, third and seventh, leaves a string free, and the tones that belong over it are the 11 (C).
How you get to it. The turn that lands on Gm69 is Am7♭5 to D7♭9: the ii and the V of G minor, which is where a minor tonic is usually arrived at rather than simply begun on.
In which keys. Every note of Gm69 belongs to D minor (the iv, the subdominant) and F major (the ii, the supertonic).
Every note of Gm69 is in G dorian and G melodic minor.
Change one note of Gm69 and you have Gm6 (drop the ninth), Gm9 (the sixth becomes a flat seventh), GmMaj9 (the sixth becomes a major seventh), Gmadd9 (drop the sixth) or G69 (the minor third becomes a major third).
Gm69 is a minor chord — root, minor third, fifth. Minor chords on every root.
On Gm69’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.
Shows each chord the way this style would voice it, and marks which of its alternatives belong to the idiom.