Ab Major 9 Chord

What is the Ab Major 9 Chord?

Here's a fretboard view of the Ab Major 9 chord so you can see where each chord tone lives across the neck. This chord is enharmonically equivalent to G# Major 9.

Notes and Arpeggios

Major 9th chords extend the major 7th by adding the 9th, creating a lush, sophisticated voicing that's a hallmark of neo-soul, R&B ballads, and jazz. They sound rich and full without any of the tension found in dominant chords. The chord tones are: Ab, C, Eb, G, Bb. It's built from degrees 1, 3, 5, 7, and 9.

How to Use It

Extended voicings are a staple of jazz, neo-soul, and modern pop harmony. On bass, you usually outline this chord instead of strumming it: emphasize the root, 3rd, 5th, and 7th as the harmony requires, then use passing tones to connect back to the groove.

Move between this chord and its nearest neighbor without leaving the same four- or five-fret box. Use the highlights to spot where the same tone repeats across strings.