Fm(maj7b5#9) Diminished
The Fm(maj7b5#9) chord is built from the notes F – Ab – Cb – E – G#.
Piano sound loads on first tap.
Chord tones, one by one
FRoot
Root
The fundamental note the chord is built on — F.
AbThird
Minor third
Three semitones — makes the chord minor (darker, sadder).
CbFifth
Diminished fifth (♭5)
Six semitones — a flat fifth. Creates instability, typical of m7♭5 and diminished chords.
ESeventh
Major seventh
Eleven semitones — a lush, jazzy seventh just below the octave (maj7).
G#Extension
Sharp ninth (♯9)
A ♯9 — the gritty 'Hendrix' tension over a dominant chord.
🎼 Related scales
🎹 Modal analysis
This chord implies the Whole-half diminished scale.
🎸 Genres
Bebop jazz · Hard bop · Gypsy jazz