Construction
A♭ Major 9th = Root + Major 3rd + Perfect 5th + Major 7th + Major 2nd = A♭, C, E♭, G, B♭
| Note | Interval | Degree |
|---|---|---|
| A♭ | Root | 1 |
| C | Major 3rd | 3 |
| E♭ | Perfect 5th | 5 |
| G | Major 7th | 7 |
| B♭ | Major 2nd | 9 |
How to Play the A♭ Major 9th
Right Hand (RH)
Place your right hand over the keys with the thumb on the root. Use the fingering: 1 – 2 – 3 – 4 – 5
Left Hand (LH)
For the left hand, start with your pinky on the root. Use the fingering: 5 – 4 – 3 – 2 – 1
A♭ Major 9th : Frequently Asked Questions
What is the A♭ Major 9th chord on piano?
The A♭ Major 9th chord contains the notes A♭ – C – E♭ – G – B♭. On piano, play these notes together to sound the chord.
What notes are in the Ab Major 9th chord?
The Ab Major 9th chord (Abmaj9) contains five notes: Ab (root), C (major third), Eb (perfect fifth), G (major seventh), and Bb (major ninth). It is Abmaj7 with an added ninth.
How does Abmaj9 differ from Ab9?
Abmaj9 has a major seventh (G). Ab9 has a minor seventh (Gb). Abmaj9 is lush; Ab9 is dominant.
How is Abmaj9 used in music?
Abmaj9 is a rich tonic in Ab Major, a favourite key for R&B vocalists. It appears in neo-soul, gospel, jazz ballads, and sophisticated pop.
What songs use Major 9th chords?
Major 9th chords are signature sounds of neo-soul and jazz. Abmaj9 is especially common in R&B and gospel.
How does Abmaj9 differ from Abadd9?
Abmaj9 includes the major seventh (G). Abadd9 has no seventh.
Do I need to play all five notes?
No: drop the fifth: Ab–C–G–Bb is the practical voicing.