About the F augmented seven flat nine chord
F augmented seven flat nine sits outside the plain diatonic set, so it is borrowed to add color and tension. Think of it as an F augmented seventh flat nine chord.
Its notes are F, A, C♯, E♭, and G♭. The intervals are a major third, an augmented fifth, a minor seventh, and a minor ninth.
Inversions
F augmented seven flat nine (root position)
Notes and intervals
| 1 | F | Root |
|---|---|---|
| 2 | A | Major 3rd |
| 3 | C sharp | Augmented 5th |
| 4 | E flat | Minor 7th |
| 5 | G flat | Minor 9th |
Shapes
Chromatic
Circle of Fifths
Other F chords
Simpler triads
Suspended
F suspended two chordF suspended four chordF seven suspended four chordF nine suspended four chordF thirteen suspended four chord
Sixths and sevenths
F six chordF minor six chordF minor flat six chordF seven chordF major seven chordF minor seven chordF minor seven flat five chordF diminished seven chordF minor major seven chordF major seven flat five chordF major seven sharp five chordF minor major seven flat five chord
Extensions
F nine chordF add nine chordF major nine chordF minor nine chordF eleven chordF thirteen chordF six nine chordF minor add nine chordF major eleven chordF major thirteen chordF minor eleven chordF minor thirteen chordF minor six nine chordF minor major nine chordF minor major eleven chord
Altered
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