# G Minor 6th piano chord (Gm6)

Gm6 contains G, B♭, D and E. A minor triad with the sixth added on top. B♭ is a black key; G, D and E are white.

- Canonical page: https://piano.org/chords/minor-6th/g/
- Entity: chord:minor-6th:g
- Notes: G B♭ D E
- Formula: 1 ♭3 5 6
- Intervals from root: P1, m3, P5, M6
- Interval stack (semitones): 3 4 2
- Also written: Gm6, Gm6, G minor 6th
- Parameters: A440, 12-TET, 165 mm octave, spans centre to centre

## Construction

| Degree | Note | Interval from root | Semitones |
| --- | --- | --- | --- |
| 1 | G | Perfect unison | 0 |
| ♭3 | B♭ | Minor third | 3 |
| 5 | D | Perfect fifth | 7 |
| 6 | E | Major sixth | 9 |

## Fingering

Rest your right hand over the notes with finger 1 on G, finger 2 on B♭, finger 3 on D, finger 5 on E. The left hand mirrors it.
Right hand 1-2-3-5, left hand 5-3-2-1. Source: piano.org fingering method v1.

## Inversions

| Position | Bass | Notes in order | Figured bass | Span |
| --- | --- | --- | --- | --- |
| Root position | G | G3 B♭3 D4 E4 | 7 | 9 st, 124 mm |
| First inversion (Gm6/B♭) | B♭ | B♭3 D4 E4 G4 | 6/5 | 9 st, 124 mm |
| Second inversion (Gm6/D) | D | D4 E4 G4 B♭4 | 4/3 | 8 st, 110 mm |
| Third inversion (Gm6/E) | E | E4 G4 B♭4 D5 | 4/2 | 10 st, 138 mm |

## Voicings (10)

| Voicing | Notes | Span | Relation | Omits or adds |
| --- | --- | --- | --- | --- |
| Close, root position | G3 B♭3 D4 E4 | 9 st, 124 mm | identical | none |
| Close, first inversion | B♭3 D4 E4 G4 | 9 st, 124 mm | identical | none |
| Close, second inversion | D4 E4 G4 B♭4 | 8 st, 110 mm | identical | none |
| Close, third inversion | E4 G4 B♭4 D5 | 10 st, 138 mm | identical | none |
| Drop 2 | D3 G3 B♭3 E4 | 14 st, 193 mm | identical | none |
| Drop 3 | B♭2 G3 D4 E4 | 18 st, 248 mm | identical | none |
| Drop 2 and 4 | G2 D3 B♭3 E4 | 21 st, 289 mm | identical | none |
| Shell, root 6 ♭3 | G2 E3 B♭3 | 15 st, 206 mm | subset | omits D |
| Guide tones, ♭3 and 6 | B♭3 E4 | 6 st, 83 mm | subset | omits G and D |
| Rootless close | B♭3 D4 E4 | 6 st, 83 mm | subset | omits G |

## One-edit neighbors

| Becomes | Edit | Changes | Common tones |
| --- | --- | --- | --- |
| Gm | 1 ♭3 5 | drops E | 3 |
| Gm7 | 1 ♭3 5 ♭7 | E becomes F | 3 |
| GmMaj7 | 1 ♭3 5 7 | E becomes F♯ | 3 |
| Gdim7 | 1 ♭3 ♭5 ♭♭7 | D becomes D♭ | 3 |
| G6 | 1 3 5 6 | B♭ becomes B | 3 |
| Gm9 | 1 ♭3 5 ♭7 9 | E becomes F, A | 3 |
| G | 1 3 5 | B♭, E becomes B | 2 |
| Gdim | 1 ♭3 ♭5 | D, E becomes D♭ | 2 |
| Gsus2 | 1 2 5 | B♭, E becomes A | 2 |
| Gsus4 | 1 4 5 | B♭, E becomes C | 2 |
| Gmaj7 | 1 3 5 7 | B♭, E becomes B, F♯ | 2 |
| G7 | 1 3 5 ♭7 | B♭, E becomes B, F | 2 |

## Set theory

- Absolute pitch classes: {7, 10, 2, 4}
- Relative pitch classes: [0, 3, 7, 9]
- Normal order: [2, 4, 7, 10]
- Prime form: (0258)
- Forte number: 4-27
- Interval vector: <012111>

## Frequencies (close root position)

| Note | MIDI | Frequency |
| --- | --- | --- |
| G3 | 55 | 196.00 Hz |
| B♭3 | 58 | 233.08 Hz |
| D4 | 62 | 293.66 Hz |
| E4 | 64 | 329.63 Hz |

## Questions and answers

### What notes are in Gm6?

Gm6 contains G, B♭, D and E. The formula is 1, ♭3, 5, 6.

### How do you play Gm6 on piano?

Play G, B♭, D and E together. Right hand fingers 1, 2, 3, 5; left hand 5, 3, 2, 1. B♭ is a black key; G, D and E are white.

### What are the inversions of Gm6?

4 positions: root position G B♭ D E, Gm6/B♭, Gm6/D, Gm6/E.

### What is the difference between Gm6 and Gm?

Drops E. 3 of the notes are shared.

### What is an easy Gm6 for small hands?

The guide tones, ♭3 and 6 voicing, B♭3 E4, spans 6 semitones or about 83 mm.

### What are the frequencies of Gm6?

From G3 at A440 in 12-TET: 196.00, 233.08, 293.66, 329.63 Hz.

### What is the set class of Gm6?

Prime form (0258), Forte 4-27, interval vector &lt;012111&gt;.

### How do I transpose Gm6 to another key?

Keep the 1, ♭3, 5, 6 formula on the new root. Cm6 is C, E♭, G, A; C♯m6 is C♯, E, G♯, A♯.

## Provenance

Every derived value above is computed by the piano.org theory kernel from the root, the quality and the stated parameters. Nothing is hand-entered per chord.

Machine record: https://piano.org/api/knowledge/v1/entities/chord:minor-6th:g
Last reviewed: 2026-08-12