How to play F#9#11: a dominant 9th sharp 11 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: 2 1 2 1 1 x (x = not played).
| Note | F# | A# | E | G# | B# |
|---|---|---|---|---|---|
| Interval | R | 3 | b7 | 9 | #11 |
F#9#11 is a dominant 9th sharp 11 with F# as its root. The full theoretical spelling is F#, A#, C#, E, G#, B#. This voicing omits the 5th, the tone guitarists drop first when fitting a chord onto six strings.
F#9#11 is not a diatonic chord in any major or minor key: it turns up as a borrowed chord, a passing chord or an altered dominant, which is part of its color.
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F#9#11 is spelled F#, A#, C#, E, G#, B#: the root, 3rd, 5th, flat 7th, 9th, sharp 11th. The common guitar voicing sounds F#, A#, E, G#, B#, leaving out the 5th.
Frets from the low E string to the high E string: 2 1 2 1 1 x (x means the string is not played). Lay your index finger across the 1st fret from the A string to the B string (a barre). Add the low E and D strings at the 2nd fret. Strum from the low E string down, skipping the high E string.
F#9#11 is not a diatonic chord in any major or minor key: it turns up as a borrowed chord, a passing chord or an altered dominant, which is part of its color.
