7#9 chords

The 7th sharp 9h Chord a.k.a. the Hendrix chords is an alternate seventh chord. This chord is a dominant seventh with a sharpened ninth. By comparing C7 with C7#9 we could see that the notes changes from C, E, G, Bb to C, E, G, Bb, D#.

The absolutely most common way to play the sharp nine chord is be the movable shape presented in the diagrams below. The same chord shape is used over the fretboard with the bass note on the 5th string.

7#9

C7#9

  • C7#9 chord diagram

C#7#9

  • C#7#9 chord diagram

D7#9

  • D7#9 chord diagram

D#7#9

  • D#7#9 chord diagram

E7#9

  • E7#9 chord diagram

F7#9

  • F7#9 chord diagram

F#7#9

  • F#7#9 chord diagram

G7#9

  • G7#9 chord diagram

G#7#9

  • G#7#9 chord diagram

A7#9

  • A7#9 chord diagram

A#7#9

  • A#7#9 chord diagram

B7#9

  • B7#9 chord diagram

Comment

A#7#9 could of course also be played as x1012x. C#7#9 is the same chord as Db7#9 and son on.

The sharp nine chord can also be written with a plus instead of the sharp symbol, such as C7+9.

Hendrix style

As mentioned, this particular chord is also called "the Hendrix chord". The guitar legend Jimi Hendrix favored the chord, and you could easily get some Hendrix feel from your guitar by playing for example E7#9. Try to combine strumming the E7#9 and playing only on the low e-string.

Chord construction

C7#9  x - x - C - E - Bb - D#
C#7#9  x - x - C# - F - B - E
D7#9  x - x - D - F# - C - F
D#7#9  x - x - D# - G - C# - F#
E7#9  x - x - E - G# - D - G#
F7#9  x - x - F - A - D# - G#
F#7#9  x - x - F# - A# - E - A#
G7#9  x - x - G - B - F - B
G#7#9  x - x - G# - C - F# - C
A7#9  x - x - A - C# - G - C#
A#7#9  x - x - A# - D - G# - D
B7#9  x - x - B - D# - A - D#
Guitar versions of the chord

Notes in chord

C7#9  C - E - G - Bb - D#
C#7#9  C# - F - G# - E
D7#9 D - F# - A - F
D#7#9  D# - G - A# - F#
E7#9  E - G# - B - G
F7#9  F - A - C - G#
F#7#9  F# - A# - C# - A
G7#9  G - B - D - A#
G#7#9  G# - C - D# - B
A7#9  A - C# - E - C
A#7#9  A# - D - F - C#
B7#9  B - D# - F# - D
The intervals are 1 – 3 – 5 – b7 - #9

Chord progressions

Progressions including this chord type:

C - G - D - A- E7#9

D7#9 - C9 - G7

Chord comparisons

The sharp nine chord has similarities this the dominant seventh and the dominant ninth:

Chord construction

C7  x - C - E - Bb - C - E
C7#9  x - C - E - Bb - D# - x
C9  x - C - E - Bb - D - G
Guitar versions of the chord

Notes in chord

C7 C - E - G - Bb
C7#9 C - E - G - Bb - D#
C9 C - E - G - Bb - D
Theoretical order of notes


The C9 version above can also be played without a fifth, which is a common way to play the chord on the guitar.

Back to chord types

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