Guitar · voicings
Quartal tetrad voicings on guitar
Quartal tetrad (1–4–♭7–♭3). Played exactly as stacked, from the bass up. Practice Lab's voicing search finds 3 shapes, every one movable: drawn here on C (C, F, B♭, E♭), each plays any key moved to it, as the table below shows.
| Note | C | F | B♭ | E♭ |
|---|---|---|---|---|
| Degree | 1 | 4 | ♭7 | ♭3 |
From the bass: C F B♭ E♭ (1 4 ♭7 ♭3)
Strings 6, 5, 4 and 3
Grip 8-8-8-8-x-x · fret 8Strings 5, 4, 3 and 2
Grip x-3-3-3-4-x · frets 3–4Strings 4, 3, 2 and 1
Grip x-x-10-10-11-11 · frets 10–11Show 1 more string setShow less
Strings 4, 3, 2 and 1
Grip x-x-10-10-11-11 · frets 10–11Where the shapes start in every key
The fret of each shape's lowest note, between fret 1 and 12, by the string it is on and the degree it plays.
| Key | String 4 (1) | String 5 (1) | String 6 (1) |
|---|---|---|---|
| C | 10 | 3 | 8 |
| C♯ | 11 | 4 | 9 |
| D | 12 | 5 | 10 |
| E♭ | 1 | 6 | 11 |
| E | 2 | 7 | 12 |
| F | 3 | 8 | 1 |
| F♯ | 4 | 9 | 2 |
| G | 5 | 10 | 3 |
| G♯ | 6 | 11 | 4 |
| A | 7 | 12 | 5 |
| B♭ | 8 | 1 | 6 |
| B | 9 | 2 | 7 |
Scales with Quartal tetrad on C in them
Scale pages on the same root that hold every note of the voicing.
Use it in a progression
Progression pages with a chord on C it can voice, with the numeral it plays.
- ii–V–I in B♭ (Cm7 as ii7)
- ii–V–I in C minor (Cm7 as i7)
- I–vi–ii–V in E♭ (Cm7 as vi)
- I–vi–ii–V in B♭ (Cm7 as ii)
- Autumn Leaves (Cm7 as 1)
- Blue Bossa (Cm7 as 1)
- Rhythm changes (Cm7 as 2a)
- Tritone substitute (Cm7 as ii7)
- Tritone sub with its related ii (Cm7 as ii7)
- Backdoor ii–V (Cm7 as ii7)
- Secondary dominants (Cm7 as ii)
- Passing diminished chord (Cm7 as ii)
- Minor iv (Cm7 as ii7)
Practice it in Practice Lab
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