Extended · G# root / A♭
G#13 / A♭13
The fullest dominant extension. Contains almost every scale degree.
Notes in G#13
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#13, G#m, G#7, or another quality — the hardest and most useful ear training skill.
13th in All 12 Keys
Other Chords in G#
Related Extended
About the G#13 Chord
The G#13 chord is a 13th chord built on G# (also written A♭13). It contains the notes Ab, C, Eb, Gb, Bb, Db, F — the root, third, fifth, seventh, and extensions.
The fullest dominant extension. Contains almost every scale degree. Practising the G#13 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.