# A♯ Minor 6th piano chord (A♯m6)

A♯m6 contains A♯, C♯, E♯ and F×. A minor triad with the sixth added on top. A♯ and C♯ are black keys; E♯ and F× are white.

- Canonical page: https://piano.org/chords/minor-6th/a-sharp/
- Entity: chord:minor-6th:a-sharp
- Notes: A♯ C♯ E♯ F×
- Formula: 1 ♭3 5 6
- Intervals from root: P1, m3, P5, M6
- Interval stack (semitones): 3 4 2
- Also written: A♯m6, A#m6, A♯ minor 6th
- Parameters: A440, 12-TET, 165 mm octave, spans centre to centre

## Construction

| Degree | Note | Interval from root | Semitones |
| --- | --- | --- | --- |
| 1 | A♯ | Perfect unison | 0 |
| ♭3 | C♯ | Minor third | 3 |
| 5 | E♯ | Perfect fifth | 7 |
| 6 | F× | Major sixth | 9 |

## Fingering

Rest your right hand over the notes with finger 2 on A♯, finger 3 on C♯, finger 4 on E♯, finger 5 on F×. The left hand mirrors it.
Right hand 2-3-4-5, left hand 5-4-3-2. Source: piano.org fingering method v1.

## Inversions

| Position | Bass | Notes in order | Figured bass | Span |
| --- | --- | --- | --- | --- |
| Root position | A♯ | A♯3 C♯4 E♯4 F×4 | 7 | 9 st, 124 mm |
| First inversion (A♯m6/C♯) | C♯ | C♯4 E♯4 F×4 A♯4 | 6/5 | 9 st, 124 mm |
| Second inversion (A♯m6/E♯) | E♯ | E♯4 F×4 A♯4 C♯5 | 4/3 | 8 st, 110 mm |
| Third inversion (A♯m6/F×) | F× | F×4 A♯4 C♯5 E♯5 | 4/2 | 10 st, 138 mm |

## Voicings (10)

| Voicing | Notes | Span | Relation | Omits or adds |
| --- | --- | --- | --- | --- |
| Close, root position | A♯3 C♯4 E♯4 F×4 | 9 st, 124 mm | identical | none |
| Close, first inversion | C♯4 E♯4 F×4 A♯4 | 9 st, 124 mm | identical | none |
| Close, second inversion | E♯4 F×4 A♯4 C♯5 | 8 st, 110 mm | identical | none |
| Close, third inversion | F×4 A♯4 C♯5 E♯5 | 10 st, 138 mm | identical | none |
| Drop 2 | E♯3 A♯3 C♯4 F×4 | 14 st, 193 mm | identical | none |
| Drop 3 | C♯3 A♯3 E♯4 F×4 | 18 st, 248 mm | identical | none |
| Drop 2 and 4 | A♯2 E♯3 C♯4 F×4 | 21 st, 289 mm | identical | none |
| Shell, root 6 ♭3 | A♯2 F×3 C♯4 | 15 st, 206 mm | subset | omits E♯ |
| Guide tones, ♭3 and 6 | C♯4 F×4 | 6 st, 83 mm | subset | omits A♯ and E♯ |
| Rootless close | C♯4 E♯4 F×4 | 6 st, 83 mm | subset | omits A♯ |

## One-edit neighbors

| Becomes | Edit | Changes | Common tones |
| --- | --- | --- | --- |
| A♯m | 1 ♭3 5 | drops F× | 3 |
| A♯m7 | 1 ♭3 5 ♭7 | F× becomes G♯ | 3 |
| A♯mMaj7 | 1 ♭3 5 7 | F× becomes G× | 3 |
| A♯dim7 | 1 ♭3 ♭5 ♭♭7 | E♯ becomes E | 3 |
| A♯6 | 1 3 5 6 | C♯ becomes C× | 3 |
| A♯m9 | 1 ♭3 5 ♭7 9 | F× becomes G♯, B♯ | 3 |
| A♯ | 1 3 5 | C♯, F× becomes C× | 2 |
| A♯dim | 1 ♭3 ♭5 | E♯, F× becomes E | 2 |
| A♯sus2 | 1 2 5 | C♯, F× becomes B♯ | 2 |
| A♯sus4 | 1 4 5 | C♯, F× becomes D♯ | 2 |
| A♯maj7 | 1 3 5 7 | C♯, F× becomes C×, G× | 2 |
| A♯7 | 1 3 5 ♭7 | C♯, F× becomes C×, G♯ | 2 |

## Set theory

- Absolute pitch classes: {10, 1, 5, 7}
- Relative pitch classes: [0, 3, 7, 9]
- Normal order: [5, 7, 10, 1]
- Prime form: (0258)
- Forte number: 4-27
- Interval vector: <012111>

## Frequencies (close root position)

| Note | MIDI | Frequency |
| --- | --- | --- |
| A♯3 | 58 | 233.08 Hz |
| C♯4 | 61 | 277.18 Hz |
| E♯4 | 65 | 349.23 Hz |
| F×4 | 67 | 392.00 Hz |

## Questions and answers

### What notes are in A♯m6?

A♯m6 contains A♯, C♯, E♯ and F×. The formula is 1, ♭3, 5, 6.

### How do you play A♯m6 on piano?

Play A♯, C♯, E♯ and F× together. Right hand fingers 2, 3, 4, 5; left hand 5, 4, 3, 2. A♯ and C♯ are black keys; E♯ and F× are white.

### What are the inversions of A♯m6?

4 positions: root position A♯ C♯ E♯ F×, A♯m6/C♯, A♯m6/E♯, A♯m6/F×.

### What is the difference between A♯m6 and A♯m?

Drops F×. 3 of the notes are shared.

### What is an easy A♯m6 for small hands?

The guide tones, ♭3 and 6 voicing, C♯4 F×4, spans 6 semitones or about 83 mm.

### What are the frequencies of A♯m6?

From A♯3 at A440 in 12-TET: 233.08, 277.18, 349.23, 392.00 Hz.

### What is the set class of A♯m6?

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

### How do I transpose A♯m6 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♯.

### Is B♭m6 the same as A♯m6?

Enharmonically yes: the same piano keys and the same sound, spelled differently.

## 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:a-sharp
Last reviewed: 2026-08-12