G#ø7
Sevenths · G# root / A♭
G#ø7 / A♭ø7
Also called min7♭5. The ii° in minor key ii-V-I progressions.
0 st3 st6 st10 st
Notes in G#ø7
AbRoot
B3rd
D5th
Gb7th
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#ø7, G#m, G#7, or another quality — the hardest and most useful ear training skill.
Half Diminished in All 12 Keys
Other Chords in G#
Related Sevenths
About the G#ø7 Chord
The G#ø7 chord is a half diminished chord built on G# (also written A♭ø7). It contains the notes Ab, B, D, Gb — the root, third, fifth, and seventh.
Also called min7♭5. The ii° in minor key ii-V-I progressions. Practising the G#ø7 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.