A-6(#5#9) Augmented
The A-6(#5#9) chord is built from the notes A – C – E# – F# – B#.
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Also known as
Am6(#5#9)
Chord tones, one by one
ARoot
Root
The fundamental note the chord is built on — A.
CThird
Minor third
Three semitones — makes the chord minor (darker, sadder).
E#Fifth
Augmented fifth (♯5)
Eight semitones — a sharp fifth. Restless and dreamy, typical of augmented chords.
F#Extension
Thirteenth (13)
A 13th — full, rich top extension.
B#Extension
Sharp ninth (♯9)
A ♯9 — the gritty 'Hendrix' tension over a dominant chord.
🎼 Related scales
🎹 Modal analysis
This chord implies the Whole-half diminished scale.
🎸 Genres
Bebop jazz · Hard bop · Gypsy jazz