A♭ Dominant Seventh Flat Ninth Chord
Also known as:
A♭ Dominant 7♭9 , A♭7♭9
The A♭ Dominant Seventh Flat Ninth Chord has a dominant quality which includes a Major Third interval but has a minor Seventh rather than a Major Seventh. A♭ Dominant Seventh Flat Ninth Chord contains the notes A♭, C, E♭, G♭, B. The A♭ Dominant Seventh Flat Ninth Chord is an Altered type chord which means it includes a Triad (the Root A♭, the Third C, and the Fifth E♭) with at least one altered (raised or lowered) note, in this case the Flat Ninth B.
Below you will find the A♭ Dominant Seventh Flat Ninth Chord notes, notation, degrees, intervals, related scales and chords, and more.
Notes
A♭, C, E♭, G♭, B
Can be omitted: E♭
Notation
Degrees
| Note | Number | Name |
|---|---|---|
| A♭ | 1 | Tonic |
| C | 3 | Mediant |
| E♭ | 5 | Dominant |
| G♭ | ♭7 | Subtonic |
| B | ♭9 | Supertonic |
Intervals
| Notes | Semitones | Interval |
|---|---|---|
| A♭ > A♭ | 0 | Perfect Unison (P1) |
| A♭ > C | 4 | Major 3rd (M3) |
| A♭ > E♭ | 7 | Perfect 5th (P5) |
| A♭ > G♭ | 10 | minor 7th (m7) |
| A♭ > B | 13 | minor 9th (m9) |
Scales related to A♭ Dominant Seventh Flat Ninth Chord
Same Spellings
Scales that include all of the notes of the A♭ Dominant Seventh Flat Ninth Chord.
V Chord of D♭ Harmonic Minor Scale
I Chord of A♭ Phrygian Dominant Mode
Different Spellings
Scales that include different spellings of all the notes of the A♭ Dominant Seventh Flat Ninth Chord.
V Chord of C♯ Harmonic Minor Scale
I Chord of G♯ Phrygian Dominant Mode
Chords related to A♭ Dominant Seventh Flat Ninth Chord
Enharmonic Equivalent
Chord with the same root and notes as the A♭ Dominant Seventh Flat Ninth Chord but different spelling.
G♯ Dominant Seventh Flat Ninth Chord
Same Notes
Chords that have all of the same notes (in any spelling) as the A♭ Dominant Seventh Flat Ninth Chord.
G♯ Dominant Seventh Flat Ninth Chord
Same Root Note
Chords that include the same notes (in any spelling) as the A♭ Dominant Seventh Flat Ninth Chord and have the same root note.
No matches found
Different Root Note
Chords that include the same notes (in any spelling) as the A♭ Dominant Seventh Flat Ninth Chord but have a different root note.
G♯ Dominant Seventh Flat Ninth Chord
If you want to learn what chords are and much more, check out our free Fundamentals of Music Theory course. If you already know some of the basics, you can jump straight into the chords lesson.
