Abm(maj9) Guitar Chord | How To Create and Play the Ab Minor Major Ninth chord
The Abm(maj9) chord, Ab minor major ninth, is spelled Ab, Cb, Eb, G and Bb. The G is the major seventh, a half step below the root, and the Cb is the minor third, which is the same pitch as B.
The Bb on top is the ninth, a whole step above Ab. A sharp-key chart would write the whole chord as G#m(maj9), with the same sound. The Ab melodic minor scale contains all five notes of the chord. The chord is the root, minor third, fifth, major seventh and ninth.
Ab minor major 9th guitar chord is also written as Abm(maj9), AbmM9, Abminmaj9 or Ab-Δ9.
Notes that compose the Ab m(maj9) chord:
Tones in the Minor Major Ninth chord:
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Giancarlo is a musician (teaching guitar since 2000), software engineer, AI consultant and published researcher
FAQ
What notes does Abm(maj9) contain?
Abm(maj9) is Ab, Cb, Eb, G and Bb. The natural G is the major seventh and the Bb is the ninth.
Why does Abm(maj9) have a natural G?
A major seventh is eleven semitones up from the root, and from Ab that is G natural. A Gb would be the minor seventh, which belongs to Abm9.
Is Abm(maj9) the same chord as G#m(maj9)?
Yes, Ab and G# are one pitch, so they sound identical. G#m(maj9) is spelled G#, B, D#, F## and A#, with a double sharp.
Which scale contains Ab minor major ninth?
Ab melodic minor: Ab, Bb, Cb, Db, Eb, F, G. All five chord notes are in it, and the ninth Bb is the second degree.
What is the difference between Abm(maj9) and Abm9?
Abm9 has the minor seventh Gb, while Abm(maj9) has G natural. That one semitone changes the seventh from minor to major, and the chord sounds tenser.
