7#9#11 Chord on guitar

A 7#9#11 chord is a dominant 7th chord with a sharp ninth and a sharp eleventh, a tense altered chord.

Written asC7#9#11
Formula1 3 5 b7 #9 #11
Notes in C7#9#11C E G Bb D# F#
Semitones from the root0, 4, 7, 10, 15, 18

About the 7#9#11 Chord

C7#9#11 is C, E, G, Bb, D# and F#.

It mixes the bite of the Hendrix chord with the brightness of the #11.

The half whole diminished scale fits over it.

Intervals

  • 1: Root, 0 semitones above the root
  • 3: Major 3rd, 4 semitones above the root
  • 5: Perfect 5th, 7 semitones above the root
  • b7: Minor 7th, 10 semitones above the root
  • #9: Sharp 9th, 15 semitones above the root
  • #11: Sharp 11th, 18 semitones above the root

7#9#11 Chord charts in all 12 keys

Each chart shows the strings from the thick low E on the left to the thin high e on the right. Numbers in the dots are fingers: 1 index, 2 middle, 3 ring, 4 little, T thumb. × marks a muted string and ○ an open one. A bar across strings is a barre.

C7#9#11: C E G Bb D# F#

C7#9#11×21341
x32342
C7#9#118121344
8989(11)(11)

G7#9#11: G B D F A# C#

G7#9#113121344
343466

D7#9#11: D F# A C E# G#

D7#9#11×43112
x53112

A7#9#11: A C# E G B# D#

A7#9#11○○4312
531020
A7#9#115121344
565688

E7#9#11: E G# B D G A#

E7#9#11○○1234
010133

B7#9#11: B D# F# A D E#

B7#9#11×21341
x21231
B7#9#117121344
7878(10)(10)

F#7#9#11: F# A# C# E A B#

F#7#9#11○○2341
202310
F#7#9#11121344
232355

Db7#9#11: Db F Ab Cb E G

Db7#9#11×○○421
x42001
Db7#9#119121344
9(10)9(10)(12)(12)

Ab7#9#11: Ab C Eb Gb B D

Ab7#9#11○42113
420112
Ab7#9#114121344
454577

Eb7#9#11: Eb G Bb Db F# A

Eb7#9#112×43112
x64223
Eb7#9#118○31412
(11)08(11)89

Bb7#9#11: Bb D F Ab C# E

Bb7#9#11×○○123
x10120
Bb7#9#116121344
676799

F7#9#11: F A C Eb G# B

F7#9#11○○1234
101101
F7#9#11121344
121244

Scales to play over C7#9#11

Each of these scales, started on the root of C7#9#11, holds every note of the chord:

More chord types