A# Major Sixth Sharp Eleventh Added Guitar Chord Charts & Variations
Five notes make up the A# sixth sharp eleventh chord (A#6(#11)): A#, C##, E#, F## and D##. It is a major triad with an added sixth, F##, and a sharp eleventh, D##, which is the raised fourth of the scale placed an octave higher.
The A# Lydian scale contains all five chord tones, so it is the scale to play over the chord. A natural eleventh would lie a half step above the major third, which is why the chord uses the raised one. A#6(#11) sounds identical to Bb6(#11), spelled Bb, D, F, G and E, and the double sharps in the A# spelling are why Bb6(#11) is the name you will normally see.
A# 6th with sharp 11th guitar chord is also written as A#6(#11), A#6#11, A#maj6(#11) or A#6(+11).
Notes of the A# 6(#11) chord:
Tones of the Major Sixth Sharp Eleventh Added chord:
Formula: 1 3 5 6 #11
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FAQ
What notes are in A# sixth sharp eleventh?
A# sixth sharp eleventh contains A#, C##, E#, F## and D##: root, major third, perfect fifth, major sixth and sharp eleventh. The D## sounds like E.
Is A#6(#11) the same chord as Bb6(#11)?
Yes. A#6(#11) is spelled A#, C##, E#, F##, D##, and Bb6(#11) is spelled Bb, D, F, G, E. The pitches are the same, so they sound alike, but the flat spelling avoids double sharps.
Why does A# sixth sharp eleventh use so many double sharps?
Every note keeps its own letter: A, C, E, F and D. From A#, the major third, the major sixth and the sharp eleventh land on C##, F## and D##. Together they sound like D, G and E.
Which scale fits over A#6(#11)?
The A# Lydian scale: A#, B#, C##, D##, E#, F##, G##. Its raised fourth, D##, is the sharp eleventh of the chord, and it contains every chord tone.
