Fm7#5#9b11 Augmented
The Fm7#5#9b11 chord is built from the notes F – Ab – C# – Eb – G# – Bb.
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).
C#Fifth
Augmented fifth (♯5)
Eight semitones — a sharp fifth. Restless and dreamy, typical of augmented chords.
EbSeventh
Minor seventh (♭7)
Ten semitones — the dominant/minor seventh. Adds bluesy tension (7, m7).
G#Extension
Sharp ninth (♯9)
A ♯9 — the gritty 'Hendrix' tension over a dominant chord.
BbExtension
Eleventh (11)
An 11th — a suspended, airy color on top of the chord.
🎼 Related scales
🎹 Modal analysis
This chord implies the Aeolian (natural minor) scale; its characteristic note is the dark ♭6.
🎸 Genres
Rock · Pop · Cinematic