About the F sharp diminished seven flat nine chord
F sharp diminished seven flat nine sits outside the plain diatonic set, so it is borrowed to add color and tension. Think of it as an F♯ diminished seventh flat nine chord.
Its notes are F♯, A, C, E♭, and G. The intervals are a minor third, a diminished fifth, a diminished seventh, and a minor ninth.
Also called G flat diminished seven flat nine, which spells the same notes enharmonically. In shorthand it is commonly written F#dim7(b9).
Positions
No stored guitar shape for this voicing yet. Build it from F♯, A, C, E♭, G.
Notes and intervals
| 1 | F sharp | Root |
|---|---|---|
| 2 | A | Minor 3rd |
| 3 | C | Diminished 5th |
| 4 | E flat | 7d |
| 5 | G | Minor 9th |
Shapes
Chromatic
Circle of Fifths
Other F sharp chords
Simpler triads
F sharp five chordF sharp major chordF sharp minor chordF sharp diminished chordF sharp augmented chord
Suspended
F sharp suspended two chordF sharp suspended four chordF sharp seven suspended four chordF sharp nine suspended four chordF sharp thirteen suspended four chord
Sixths and sevenths
F sharp six chordF sharp minor six chordF sharp minor flat six chordF sharp seven chordF sharp major seven chordF sharp minor seven chordF sharp minor seven flat five chordF sharp diminished seven chordF sharp minor major seven chordF sharp major seven flat five chordF sharp major seven sharp five chordF sharp minor major seven flat five chord
Extensions
F sharp nine chordF sharp add nine chordF sharp major nine chordF sharp minor nine chordF sharp eleven chordF sharp thirteen chordF sharp six nine chordF sharp minor add nine chordF sharp major eleven chordF sharp major thirteen chordF sharp minor eleven chordF sharp minor thirteen chordF sharp minor six nine chordF sharp minor major nine chordF sharp minor major eleven chord