# D♯ Minor Major 7th piano chord (D♯mMaj7)

D♯mMaj7 contains D♯, F♯, A♯ and C×. A minor triad with the major seventh added on top. D♯, F♯ and A♯ are black keys; C× is white.

- Canonical page: https://piano.org/chords/minor-major-7th/d-sharp/
- Entity: chord:minor-major-7th:d-sharp
- Notes: D♯ F♯ A♯ C×
- Formula: 1 ♭3 5 7
- Intervals from root: P1, m3, P5, M7
- Interval stack (semitones): 3 4 4
- Also written: D♯mMaj7, D#mMaj7, D♯ minor major 7th
- Parameters: A440, 12-TET, 165 mm octave, spans centre to centre

## Construction

| Degree | Note | Interval from root | Semitones |
| --- | --- | --- | --- |
| 1 | D♯ | Perfect unison | 0 |
| ♭3 | F♯ | Minor third | 3 |
| 5 | A♯ | Perfect fifth | 7 |
| 7 | C× | Major seventh | 11 |

## Fingering

Rest your right hand over the notes with finger 2 on D♯, finger 3 on F♯, finger 4 on A♯, finger 5 on C×. 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 | D♯ | D♯3 F♯3 A♯3 C×4 | 7 | 11 st, 151 mm |
| First inversion (D♯mMaj7/F♯) | F♯ | F♯3 A♯3 C×4 D♯4 | 6/5 | 9 st, 124 mm |
| Second inversion (D♯mMaj7/A♯) | A♯ | A♯3 C×4 D♯4 F♯4 | 4/3 | 8 st, 110 mm |
| Third inversion (D♯mMaj7/C×) | C× | C×4 D♯4 F♯4 A♯4 | 4/2 | 8 st, 110 mm |

## Voicings (10)

| Voicing | Notes | Span | Relation | Omits or adds |
| --- | --- | --- | --- | --- |
| Close, root position | D♯3 F♯3 A♯3 C×4 | 11 st, 151 mm | identical | none |
| Close, first inversion | F♯3 A♯3 C×4 D♯4 | 9 st, 124 mm | identical | none |
| Close, second inversion | A♯3 C×4 D♯4 F♯4 | 8 st, 110 mm | identical | none |
| Close, third inversion | C×4 D♯4 F♯4 A♯4 | 8 st, 110 mm | identical | none |
| Drop 2 | A♯2 D♯3 F♯3 C×4 | 16 st, 220 mm | identical | none |
| Drop 3 | F♯2 D♯3 A♯3 C×4 | 20 st, 275 mm | identical | none |
| Drop 2 and 4 | D♯2 A♯2 F♯3 C×4 | 23 st, 316 mm | identical | none |
| Shell, root 7 ♭3 | D♯2 C×3 F♯3 | 15 st, 206 mm | subset | omits A♯ |
| Guide tones, ♭3 and 7 | F♯3 C×4 | 8 st, 110 mm | subset | omits D♯ and A♯ |
| Rootless close | F♯3 A♯3 C×4 | 8 st, 110 mm | subset | omits D♯ |

## One-edit neighbors

| Becomes | Edit | Changes | Common tones |
| --- | --- | --- | --- |
| D♯m | 1 ♭3 5 | drops C× | 3 |
| D♯maj7 | 1 3 5 7 | F♯ becomes F× | 3 |
| D♯m7 | 1 ♭3 5 ♭7 | C× becomes C♯ | 3 |
| D♯m6 | 1 ♭3 5 6 | C× becomes B♯ | 3 |
| D♯maj9 | 1 3 5 7 9 | F♯ becomes F×, E♯ | 3 |
| D♯m9 | 1 ♭3 5 ♭7 9 | C× becomes C♯, E♯ | 3 |
| D♯ | 1 3 5 | F♯, C× becomes F× | 2 |
| D♯dim | 1 ♭3 ♭5 | A♯, C× becomes A | 2 |
| D♯sus2 | 1 2 5 | F♯, C× becomes E♯ | 2 |
| D♯sus4 | 1 4 5 | F♯, C× becomes G♯ | 2 |
| D♯7 | 1 3 5 ♭7 | F♯, C× becomes F×, C♯ | 2 |
| D♯m7♭5 | 1 ♭3 ♭5 ♭7 | A♯, C× becomes A, C♯ | 2 |

## Set theory

- Absolute pitch classes: {3, 6, 10, 2}
- Relative pitch classes: [0, 3, 7, 11]
- Normal order: [2, 3, 6, 10]
- Prime form: (0148)
- Forte number: 4-19
- Interval vector: <101310>

## Frequencies (close root position)

| Note | MIDI | Frequency |
| --- | --- | --- |
| D♯3 | 51 | 155.56 Hz |
| F♯3 | 54 | 185.00 Hz |
| A♯3 | 58 | 233.08 Hz |
| C×4 | 62 | 293.66 Hz |

## Questions and answers

### What notes are in D♯mMaj7?

D♯mMaj7 contains D♯, F♯, A♯ and C×. The formula is 1, ♭3, 5, 7.

### How do you play D♯mMaj7 on piano?

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

### What are the inversions of D♯mMaj7?

4 positions: root position D♯ F♯ A♯ C×, D♯mMaj7/F♯, D♯mMaj7/A♯, D♯mMaj7/C×.

### What is the difference between D♯mMaj7 and D♯m?

Drops C×. 3 of the notes are shared.

### What is an easy D♯mMaj7 for small hands?

The close, second inversion voicing, A♯3 C×4 D♯4 F♯4, spans 8 semitones or about 110 mm.

### What are the frequencies of D♯mMaj7?

From D♯3 at A440 in 12-TET: 155.56, 185.00, 233.08, 293.66 Hz.

### What is the set class of D♯mMaj7?

Prime form (0148), Forte 4-19, interval vector &lt;101310&gt;.

### How do I transpose D♯mMaj7 to another key?

Keep the 1, ♭3, 5, 7 formula on the new root. CmMaj7 is C, E♭, G, B; C♯mMaj7 is C♯, E, G♯, B♯.

### Is E♭mMaj7 the same as D♯mMaj7?

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-major-7th:d-sharp
Last reviewed: 2026-08-12