Sevenths · G# root / A♭
G#°7 / A♭°7
Maximum tension. Fully symmetric — every inversion sounds similar.
Notes in G#°7
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#°7, G#m, G#7, or another quality — the hardest and most useful ear training skill.
Diminished 7th in All 12 Keys
Other Chords in G#
Related Sevenths
About the G#°7 Chord
The G#°7 chord is a diminished 7th chord built on G# (also written A♭°7). It contains the notes Ab, B, D, F — the root, third, fifth, and seventh.
Maximum tension. Fully symmetric — every inversion sounds similar. Practising the G#°7 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.