A#9#11 chord on guitar

A Sharp Dominant Ninth Sharp Eleven, also written Bb9#11. Notes: A#, D, F, G#, C and E.

A#9#11 guitar chord diagram, open position×1A#R2G#b73C9A#DG#CE
Open position · Easy

How to play A#9#11

  1. Put your index finger on the 5th (A) string at fret 1 (A#).
  2. Put your middle finger on the 3rd (G) string at fret 1 (G#).
  3. Put your ring finger on the 2nd (B) string at fret 1 (C).
  4. Let the open D and high E strings ring.
  5. Don't play the low E string: skip it or mute it with a fretting finger.
  6. Strum from the A string down.
Lowest note: A# (the root)Strings played: 5 of 6Other voicings: 3 below

All 4 ways to play A#9#11

Easiest first. Tap play to hear each one.
A#9#11 guitar chord, open position×1A#R2G#b73C9A#DG#CE

Open position

Easy
A#9#11 guitar chord, barre at fret 55fr×2A#R1D33G#b71C91E#11A#DG#CE

Barre at fret 5

Medium
A#9#11 guitar chord, fret 8 position8fr××1A#R2E#113G#b74D3A#EG#D

Fret 8 position

Hard
A#9#11 guitar chord, barre at fret 1212fr×2A#R1D33G#b74C91E#11A#DG#CE

Barre at fret 12

Hard

Notes and theory

A#root
D3 · major third
F5 · perfect fifth
G#b7 · minor seventh
C9 · ninth
E#11 · sharp eleventh

The 9#11 is a dominant ninth with a raised eleventh, the Lydian dominant sound used in jazz. The formula is 1 3 5 b7 9 #11. Strictly by music theory the notes are spelled A#, C##, E#, G#, B# and D##; C## is the same key as D, E# is the same key as F, B# is the same key as C and D## is the same key as E.

More A# chords

All A# guitar chords

dominant ninth sharp eleven chords in every key

Questions

What notes are in the A#9#11 chord?

A#9#11 (A sharp dominant ninth sharp eleven) is made of six notes: A# (root), D (major third), F (perfect fifth), G# (minor seventh), C (ninth) and E (sharp eleventh).

How do you play A#9#11 on guitar?

The easiest A#9#11 is the "open position" shape. Put your index finger on the 5th (A) string at fret 1 (A#). Put your middle finger on the 3rd (G) string at fret 1 (G#). Put your ring finger on the 2nd (B) string at fret 1 (C).

Is A#9#11 hard to play on guitar?

No. The easiest version is rated easy and uses 3 fretted notes plus open strings.

What does a dominant ninth sharp eleven chord sound like?

The 9#11 is a dominant ninth with a raised eleventh, the Lydian dominant sound used in jazz.