A Dominant Ninth Chord
Also known as:
A Dominant 9th , A9
The A Dominant Ninth Chord has a dominant quality which includes a Major Third interval but has a minor Seventh rather than a Major Seventh. A Dominant Ninth Chord contains the notes A, C♯, E, G, B. The A Dominant Ninth Chord is an Extended type chord which means it includes a Triad (the Root A, the Third C♯, and the Fifth E), the Seventh G, and also includes from the octave above.
Below you will find the A Dominant Ninth Chord notes, notation, degrees, intervals, related scales and chords, and more.
A, C♯, E, G, B
Can be omitted: E
|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||14||Major 9th (M9)|
Scales related to A Dominant Ninth Chord
Scales that include all of the notes of the A Dominant Ninth Chord.
V Chord of D Major Scale
♭VII Chord of B Natural Minor Scale
V Chord of D Melodic Minor Scale
IV Chord of E Melodic Minor Scale
V Chord of D Ionian Mode
IV Chord of E Dorian Mode
♭III Chord of F♯ Phrygian Mode
II Chord of G Lydian Mode
I Chord of A Mixolydian Mode
♭VII Chord of B Aeolian Mode
♭VI Chord of C♯ Locrian Mode
Chords related to A Dominant Ninth Chord
Chords that have all of the same notes (in any spelling) as the A Dominant Ninth Chord.
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