How to play F7b9: a dominant 7th flat 9 built on F, with 1 voicing, the notes, the keys it belongs to, and songs that use it.
The first diagram is a common voicing: played at the first few frets. An X above a string means don't play it; an O means play it open.
Frets from the low E string to the high E string: x x 3 2 4 2 (x = not played).
| Note | F | A | Eb | Gb |
|---|---|---|---|---|
| Interval | R | 3 | b7 | b9 |
F7b9 is a dominant 7th flat 9 with F as its root. The full theoretical spelling is F, A, C, Eb, Gb. This voicing omits the 5th, the tone guitarists drop first when fitting a chord onto six strings.
F7b9 is a diatonic chord (built from the key's own notes) in 0 major keys and 1 minor key. The roman numeral is the chord's place in that key; tap a key for all of its chords.
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F7b9 is spelled F, A, C, Eb, Gb: the root, 3rd, 5th, flat 7th, flat 9th. The common guitar voicing sounds F, A, Eb, Gb, leaving out the 5th.
Frets from the low E string to the high E string: x x 3 2 4 2 (x means the string is not played). Lay your index finger across the 2nd fret from the G string to the high E string (a barre). Add the D string at the 3rd fret. Add the B string at the 4th fret. Strum from the D string down; the low E and A strings stay silent.
F7b9 belongs to one key: Bb minor (the V, from the harmonic minor).
