A♭maj9
A♭ Major 9th
1 3 5 7 9
Notes in A♭maj9
A♭R
C3
E♭5
G7
B♭9
The A♭maj9 chord contains 5 notes: A♭, C, E♭, G, B♭
Intervals
| Interval | Semitones | Note | Function |
|---|---|---|---|
| R | 0 | A♭ | Root |
| 3 | 4 | C | Major 3rd |
| 5 | 7 | E♭ | Perfect 5th |
| 7 | 11 | G | Major 7th |
| 9 | 2 | B♭ | Major 9th |
About A♭ Major 9th Chords
Major 9th chords combine maj7 with a 9th for a lush, sophisticated sound. They appear frequently in jazz ballads, bossa nova, and contemporary R&B. Steely Dan built entire careers on maj9 voicings.
Compatible Scales & Modes
These scales contain all the notes of A♭maj9 and can be used for soloing, improvising, and writing melodies over this chord.
A♭ Lydian
Beautiful over maj9 chords — the ♯4 adds sophistication without clashing.
A♭ Ionian
Works perfectly. The 9th is a natural scale tone.