Guitar · seventh sharp nine
F♯7♯9 Chord on Guitar
F# Dominant 7♯9 (Hendrix) is F#, A#, C#, E, G## — the 1-3-5-b7-#9 pattern of a seventh sharp nine chord. Here is the shape, the audio, and what usually goes wrong.
There is no open F#7#9 on guitar — the single shape below is a barre, which is exactly why this chord trips people up. Take it slowly and check every string.
Start here — E Shape Barre (Hendrix) (2nd fret)
Barre at fret 2 — harder to hold than an open shape, but movable: slide it and you have every other seventh sharp nine chord.
What beginners get wrong
Moving in and out of it
The shape above: E Shape Barre (Hendrix) (2nd fret) — barred at fret 2.
Listening: each shape above has its own play button, and each one plays the notes that shape actually produces — not a generic triad.
F#7#9 on other instruments
Same notes, different hands. Every link below is a real page with diagrams and audio.
Or see F# Dominant 7♯9 (Hendrix) on every instrument at once.
Chords next door
Same root, different colour — and all of them playable on guitar.
F#7#9 on Guitar — questions people ask
What is the easiest way to play F#7#9 on guitar?
“E Shape Barre (Hendrix) (2nd fret)” — which we rate advanced — is the easiest F#7#9 shape on guitar. Barre at fret 2 — harder to hold than an open shape, but movable: slide it and you have every other seventh sharp nine chord. There is no open F#7#9 on guitar, so a barre is unavoidable; this is the least demanding one.
What notes are in the F# Dominant 7♯9 (Hendrix) chord?
F# Dominant 7♯9 (Hendrix) is F#, A#, C#, E, G## — the 1-3-5-b7-#9 interval pattern of a seventh sharp nine chord. Every voicing on this page uses those notes and nothing else; they just appear in a different order and octave.
What can I play instead of F#7#9?
The nearest stand-ins on guitar that keep the same root are F#sus4, F#sus2, F#. They keep the root and the fifth and only change what sits in the middle, so most songs still work — but check the swap against the melody, because the note you removed may be the one the tune is singing.
Can I play F#7#9 on other instruments?
Yes. F#7#9 is the same set of notes everywhere; only the fingering changes. This site has diagrams and audio for it on piano.
Learn the theory behind F#7#9
The shape gets your fingers there. These explain why it sounds the way it does.
Barre Chords — The Wall Every Guitarist Climbs
This one asks for a barre. The article is the fix for the buzzing and the aching hand.
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Functional Harmony: Three Roles, One Engine
What a seventh chord is for — tension, resolution, and the seat it takes in the key.
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The 12-Bar Blues — Three Chords, A Century of Hits
Seventh chords are the whole sound of the blues. Twelve bars is where to hear it.
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