A Minor-Major Seventh Chord
Chord Tones: A Minor-Major Seventh Chord
Symbol: mMaj7, m△7 — Formula: 1-♭3-5-7
| Degree | Note | Frequency (A=440, Equal) |
|---|---|---|
| 1 | A | 440.000 Hz |
| ♭3 | C | 261.626 Hz |
| 5 | E | 329.628 Hz |
| 7 | G# | 415.305 Hz |
Chord Notation
| Notation Type | Symbol / Value |
|---|---|
| Lead Sheet Symbol | AmMaj7 |
| All Common Symbols | mMaj7, m△7 |
| Interval Formula | 1-♭3-5-7 |
| Harmonic Category | tense |
Roman numeral (e.g. I, IV, V) and Nashville Number notation are key-dependent. See Keys pages for chord function within specific keys.
Inversions
| Inversion | Notes (low to high) | Bass Note | Slash Notation |
|---|---|---|---|
| Root Position | A – C – E – G# | A | A Minor-Major Seventh Chord |
| First Inversion | C – E – G# – A | C | A Minor-Major Seventh Chord/C |
| Second Inversion | E – G# – A – C | E | A Minor-Major Seventh Chord/E |
| Third Inversion | G# – A – C – E | G# | A Minor-Major Seventh Chord/G# |
Harmonic Function
The A minor major seventh chord commonly functions as the submediant (vi) in C major or dominant (V) in D major. Its harmonic role varies by key — in major keys it provides subdominant or supertonic color.
The minor-major seventh chord combines a minor triad with a major seventh, creating a uniquely tense sound. It appears in descending bass lines and is characteristic of film noir and jazz.
Common Progressions
The A Minor-Major Seventh Chord frequently appears in these progression patterns (shown in Roman numeral notation relative to key):
i-imaj7-i7-iv
Songs Featuring the Minor-Major Seventh Chord
Well-known songs where the A Minor-Major Seventh Chord — or this chord type — plays a prominent role:
- Cry Me a River – Julie London
- James Bond Theme – John Barry
- Willow Weep for Me – jazz standard
Tuning Frequencies Across Temperaments
Frequencies shown at A=440 Hz. View full temperament data for any note.
| Note | Equal Temp. | Pythagorean | Just Intonation |
|---|---|---|---|
| A | 440.000 Hz | 440.000 Hz | 436.043 Hz |
| C | 261.626 Hz | 260.740 Hz | 261.626 Hz |
| E | 329.628 Hz | 330.001 Hz | 327.032 Hz |
| G# | 415.305 Hz | 417.657 Hz | 418.601 Hz |
Scales Containing the A Minor-Major Seventh Chord
These scales include the A Minor-Major Seventh Chord as a diatonic or characteristic chord: