Abmaj9 chord
Abmaj9 chord for guitar with diagrams, fingerings and notes.
All chords More Ab chordsDescription and theory
Abmaj9 is equivalent to G sharp major 9th. It's usually played as one of two movable shapes depending on the most suitable position on the fretboard.
Shown in the Fingerings diagram is a closed chord involving the four middle strings.
As shown in Notes diagram, four notes are included, omitting the 5th (Eb).
Notice that the diagram starts at the 10th fret rather than the 1st fret, with the root on the 11th fret.
Short notation: X 11 10 12 11 X.
Chord structure
The chord consists of five notes. The notes represent the root, major third, perfect fifth, major seventh and major ninth intervals. Notice that the fifth is sometimes omitted.
Chord name
Abmaj9 is an abbreviation for A flat major ninth. A less common abbreviation is AbM9. A third system is the triangle (delta) symbol: Ab△9.
Notes
The notes that the Abmaj9 chord consists of are Ab, C, Eb, G and Bb.
Inversions
1st inversion: Abmaj9/C (means that C is the bass note).
2nd inversion: Abmaj9/Eb (means that Eb is the bass note).
3rd inversion: Abmaj9/G (means that G is the bass note).
4th inversion: Abmaj9/Bb (means that Bb is the bass note).
Omissions
Abmaj9(no5) is an Ab major 9th with no fifth (Eb).
Chord progressions
Dbmaj7 - Abmaj9 - Eb6
Back to major 9th chords