root position: Abmaj9
A♭ – C – E♭ – G – B♭
Abmaj9 Piano Chord
The A flat major 9 chord (A♭maj9) is made of the notes A♭, C, E♭, G and B♭. Its formula is 1 – 3 – 5 – 7 – 9.
Notes in A♭maj9
| Note | Formula | Interval from root |
|---|---|---|
| A♭ | 1 | root |
| C | 3 | major 3rd |
| E♭ | 5 | perfect 5th |
| G | 7 | major 7th |
| B♭ | 9 | major 9th |
How to play A♭maj9 on piano
- Right hand: fingers 1-2-3-4-5
- Left hand: fingers 5-4-3-2-1
Fingers are numbered from the thumb (1) to the little finger (5).
This chord spans more than an octave. Many players leave out the 5th, or play the root in the left hand and the other notes in the right.
A♭maj9 inversions
1st inversion: Abmaj9/C
C – E♭ – G – A♭ – B♭
2nd inversion: Abmaj9/Eb
E♭ – G – A♭ – B♭ – C
3rd inversion: Abmaj9/G
G – A♭ – B♭ – C – E♭
Other names for Abmaj9
A♭maj9 is also written as A♭maj9, AbM9, A♭M9, AbΔ9, A♭Δ9, G#maj9, G♯maj9, G#M9, G♯M9, G#Δ9, G♯Δ9.
Keys that contain A♭maj9
A♭maj9 is not one of the basic chords of any major or minor key. It is usually used as a passing or colour chord.