Extended · G# root / A♭
G#maj9 / A♭maj9
Lush and expansive. Adds colour above the major 7th chord.
Notes in G#maj9
G# / Ab is common in R&B, soul, and jazz. Many Stevie Wonder songs are in Ab.
Identify the Chord Quality on G#
Each chord below is played on G#. Listen and identify whether you heard G#maj9, G#m, G#7, or another quality — the hardest and most useful ear training skill.
Major 9th in All 12 Keys
Other Chords in G#
Related Extended
About the G#maj9 Chord
The G#maj9 chord is a major 9th chord built on G# (also written A♭maj9). It contains the notes Ab, C, Eb, G, Bb — the root, third, fifth, seventh, and extensions.
Lush and expansive. Adds colour above the major 7th chord. Practising the G#maj9 chord across different voicings and contexts builds the harmonic recognition that lets you identify it instantly in any musical setting — whether in a band mix, a recording, or a live performance.