A#13(#11) Guitar Chord - Guitar Chords Chart
The A#13(#11) chord, also read as A# thirteenth sharp eleven, is spelled A#, C##, E#, G#, B#, D## and F##: a root, a major third, a perfect fifth, a minor seventh, a ninth, a sharp eleventh and a thirteenth.
Those seven pitches are the same as Bb13(#11), so the two names sound identical. Stacked in scale order they also make the A# Lydian Dominant scale, so the scale contains every chord tone and nothing else.
Like other dominant chords it usually resolves to the chord a fourth above A#. The raised eleventh D## sits a tritone above the root.
A# 13th with sharp 11th guitar chord is also written as A#13(#11), A#13#11 or A#13+11.
Notes that compose the A# 13(#11) chord:
Chord Structure:
Formula: 1 3 5 b7 9 #11 13
A# 13(#11) Chord Interactive Fretboard
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Created by
Giancarlo is a musician (teaching guitar since 2000), software engineer, AI consultant and published researcher
FAQ
What notes are in A#13(#11)?
A#13(#11) contains A#, C##, E#, G#, B#, D## and F##. They are the root, major third, perfect fifth, minor seventh, ninth, sharp eleventh and thirteenth.
Is A#13(#11) the same chord as Bb13(#11)?
Yes, both names use the same seven pitches. Bb13(#11) spells them Bb, D, F, Ab, C, E and G, which avoids the three double sharps of A#13(#11).
Why does A#13(#11) have three double sharps?
Notes are named by stacking letters in thirds from A#. The third lands on C, the sharp eleventh on D and the thirteenth on F, and each needs two sharps to give the correct interval.
Which scale fits A#13(#11)?
The A# Lydian Dominant scale spells A#, B#, C##, D##, E#, F## and G#. Its seven notes are exactly the seven chord tones.
