F#°
Triads · F# root / G♭
F#° / G♭°
A tense, unstable triad built from two stacked minor thirds.
0 st3 st6 st
Notes in F#°
F#Root
A3rd
C5th
F# / Gb appears frequently in jazz ballads and neo-soul. A half-step above the common keys.
Identify the Chord Quality on F#
Each chord below is played on F#. Listen and identify whether you heard F#°, F#m, F#7, or another quality — the hardest and most useful ear training skill.
Diminished in All 12 Keys
Other Chords in F#
Related Triads
About the F#° Chord
The F#° chord is a diminished chord built on F# (also written G♭°). It contains the notes F#, A, C — the root, third, and fifth.
A tense, unstable triad built from two stacked minor thirds. Practising the F#° 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.