Popular fretboard positions with fingering suggestions
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D7♯9 is the D dominant 7th sharp 9th guitar chord. It uses the notes D, F♯, A, C, and E♯ and the interval formula 1-3-5-♭7-♯9.
The D dominant 7th sharp 9th dominant 7th sharp 9th chord introduces a sharp ninth E♯, creating a bluesy, expressive tension. The clash between the major third F♯ and sharp ninth E♯ gives it a powerful, gritty sound used in jazz, funk, and rock.
Also written as Ddom7♯9 and D7(♯9).
These are quick-start shapes for players who want the answer first and the deeper theory second.
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Each note below shows how the chord is built from its root. This is the theory layer underneath the fretboard shapes.
The root anchors the chord and defines its tonal center.
This note defines the chord's major quality and brings brightness to the sound.
The fifth reinforces stability and gives the chord its strong harmonic frame.
The minor seventh adds bluesy or jazzy tension that wants to move onward.
This tone contributes color and function inside the chord voicing.
Every shape is shown with its diagram and exact fingering instructions.
D7♯9 uses the notes D, F♯, A, C, and E♯. Its interval formula is 1-3-5-♭7-♯9.
D7♯9 is also written as Ddom7♯9 and D7(♯9).
Place the 1st finger on the 8th fret of the 1st string. Place the 2nd finger on the 9th fret of the 5th string. Place the 3rd finger on the 10th fret of the 6th string. Place the 4th finger on the 10th fret of the 2nd string and 3rd string in barre position. Let the fourth string ring open. Strum from the 6th string down.
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