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A9#11 Piano Chord

A Lydian dominant chord — a bright, open sound. Typical of modern jazz.

Piano

Recommended voicing
Left hand A2 · G3 fingers 5–1
Right hand Eb4 · B4 · C#5 fingers 1–4–5

How to play the A9#11 chord on piano

Split the recommended voicing between the hands: play A2 and G3 with the left hand and Eb4, B4 and C#5 with the right. Suggested fingering is 5–1 on the left and 1–4–5 on the right (1 is the thumb). The perfect fifth E can usually be omitted from an extended chord, keeping the sound clear and the voicing manageable.

Notation for A9#11 chord

Other names: A 9th sharp 11

Music theory name: ninth sharp eleven chord

Common name: A 9#11 chord

Intervals and tones in A9#11 chord

Note Interval
A Root
C# Major 3rd
E Perfect 5th
G Minor 7th
H Major 9th
Eb Augmented 11th

More chords with A as the root

The same chord type in other keys