Ab Minor-Major Seventh Chord
Chord Tones: Ab Minor-Major Seventh Chord
Symbol: mMaj7, m△7 — Formula: 1-♭3-5-7
| Degree | Note | Frequency (A=440, Equal) |
|---|---|---|
| 1 | Ab | 415.305 Hz |
| ♭3 | B | 493.883 Hz |
| 5 | Eb | 311.127 Hz |
| 7 | G | 391.995 Hz |
Chord Notation
| Notation Type | Symbol / Value |
|---|---|
| Lead Sheet Symbol | AbmMaj7 |
| 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 | Ab – B – Eb – G | Ab | Ab Minor-Major Seventh Chord |
| First Inversion | B – Eb – G – Ab | B | Ab Minor-Major Seventh Chord/B |
| Second Inversion | Eb – G – Ab – B | Eb | Ab Minor-Major Seventh Chord/Eb |
| Third Inversion | G – Ab – B – Eb | G | Ab Minor-Major Seventh Chord/G |
Harmonic Function
The Ab minor major seventh chord commonly functions as the submediant (♭VI) in C minor or subdominant in E♭ 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 Ab 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 Ab 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 |
|---|---|---|---|
| Ab | 415.305 Hz | 417.657 Hz | 418.601 Hz |
| B | 493.883 Hz | 495.000 Hz | 490.548 Hz |
| Eb | 311.127 Hz | 309.026 Hz | 313.951 Hz |
| G | 391.995 Hz | 391.111 Hz | 392.438 Hz |
Scales Containing the Ab Minor-Major Seventh Chord
These scales include the Ab Minor-Major Seventh Chord as a diatonic or characteristic chord: