Guitar Chord Dictionary: Ab Major Sixth Sharp Eleventh Added Chords
Ab6(#11) stands for the Ab sixth sharp eleventh chord, built from Ab, C, Eb, F and D. It is a major sixth chord with one more note added above it: the sharp eleventh.
Because the chord already contains the sharp eleventh, the Ab Lydian scale, with its raised fourth, is the scale to solo with. The D sits an augmented fourth above the root, one octave up. Written with sharps, the same chord is G#6(#11). If you want to know why these notes stack up this way, see how chords are built.
Ab 6th with sharp 11th guitar chord is also written as Ab6(#11), Ab6#11, Abmaj6(#11) or Ab6(+11).
Ab 6(#11) chord Notes:
Chord Formula:
Formula: 1 3 5 6 #11
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Giancarlo is a musician (teaching guitar since 2000), software engineer, AI consultant and published researcher
FAQ
What notes are in Ab6(#11)?
Ab6(#11) contains Ab, C, Eb, F and D: root, major third, perfect fifth, major sixth and sharp eleventh.
Is Ab sixth sharp eleventh the same as G#6(#11)?
Yes. Ab sixth sharp eleventh is spelled Ab, C, Eb, F, D, and G#6(#11) is spelled G#, B#, D#, E#, C##. They sound the same, but the flat version has no sharps.
Which scale goes with Ab6(#11)?
The Ab Lydian scale: Ab, Bb, C, D, Eb, F, G. It contains every chord tone, and its raised fourth, D, is the sharp eleventh.
Why is the Ab6(#11) note D and not Db?
The natural eleventh from Ab is Db. Raising it by a half step gives D natural, which is six semitones up from the root.
