F9 chord (F dominant ninth) on piano
F9 (F dominant ninth) has five notes: F, A, C, E flat and G. Its formula is 1, 3, 5, b7, 9. In major keys, F9 is the V9 chord in Bb major.
F9 inversions and fingering
F A Eb · LH 5-3-1
F Eb A C G · RH 1-2-5 · LH 5-1
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| Symbol | F9 |
|---|---|
| Also written | Fdom9 |
| Notes | F A C Eb G |
| Formula | 1 3 5 b7 9 |
| Intervals | root, major third, perfect fifth, minor seventh, major second |
| Type | Dominant ninth chord |
F9 across the keyboard
Piano, C3 to C5. Notes in this scale, low to high: C3 (5), Eb3 (flat 7), F3 (1), G3 (9), A3 (3), C4 (5), Eb4 (flat 7), F4 (1), G4 (9), A4 (3), C5 (5).
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Questions
What notes are in the F9 chord?
F9 (F dominant ninth) has five notes: F, A, C, E flat and G. Its formula is 1, 3, 5, b7, 9. F is the root, A is the major third, C is the perfect fifth, Eb is the minor seventh and G is the major second.
How do you play F9 on piano?
Play F, A, C, Eb and G together. Shell (left hand): F A Eb · LH 5-3-1.
What key is F9 in?
In major keys, F9 is the V9 chord in Bb major. It is diatonic to those keys, so it fits songs in any of them.
What is the difference between F9 and F7?
F9 is F7 (F, A, C and Eb) with G, the 9th, added.