Dominant family
A dominant seventh sharp nine chord
A7♯9A dominant seventh sharp nine
Piano root position
- Root
- 3
- 5
- ♭7
- ♯9
Guitar standard tuning
Fret 11
No barre: each note has its own finger.
Finger: 1 index, 2 middle, 3 ring, 4 little
Notation treble clef
Intervals
12 semitones- A1
- ♭2
- 2
- B♯♯9
- C♯3
- 4
- ♭5
- E5
- ♯5
- 6
- G♭7
- 7
- A Root
- C♯ Major 3rd
- E Perfect 5th
- G Minor 7th
- B♯ Augmented 9th
About this chord
What is an A dominant seventh sharp nine chord?
A7♯9 is built from 5 notes: A (the root), C♯ (the 3), E (the 5), G (the ♭7), B♯ (the ♯9). Major and minor third at once: the gritty rock and funk chord.
- Notes
- A · C♯ · E · G · B♯
- Formula
- 1 · 3 · 5 · ♭7 · ♯9
- Also written
- A7(♯9)
- Found in
- Outside the major and minor keys
Neighbours
Chords close to A7♯9
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Every chord type on every root, each with its own page.
C
D♭
D
E♭
E
F
G♭
G
A♭
A
B♭