How to Play Piano Chord: A dominant 9 — root | PianoKitty

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A9

root position

A dominant 9

root position

Notes

A, C♯, E, G, B

Parent major scale: A

The notes of the A major scale are:

#	Note	Function
1	A	root
2	B	second
3	C♯	third
4	D	fourth
5	E	fifth
6	F♯	sixth
7	G♯	seventh
8	A	octave
9	B	ninth

Major scale pattern

The semitone pattern for a major scale is:

WWHWWWH

where:

W = Whole step (2 semitones)
H = Half step (1 semitone)

dominant 9 chord pattern

1, 3, 5, ♭7, 9

root	A
third	C♯
fifth	E
flat seventh	G
ninth	B

Similar chords

A dominant 7 with a major 3rd added on top (4 semitones)
A minor 9 with flattened third
A dominant 9 flat 5 with flattened fifth
A major 9 with raised seventh
A six-nine with flattened seventh

Upper structures

A major + Am (notes overlap)

Play it as two chords

E minor A · G

E–G–B = 5, ♭7, 9 · left hand: root + ♭7

Practice the dominant 9 chords Practice all inversions of A9

The keyboard can of every chord — change it any time in Preferences.