Fm13#11 Minor 7th
The Fm13#11 chord is built from the notes F – Ab – C – Eb – G – B – D.
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Also known as
Fm13add#11Fmin13#11
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).
CFifth
Perfect fifth
Seven semitones — the most stable interval, reinforces the root.
EbSeventh
Minor seventh (♭7)
Ten semitones — the dominant/minor seventh. Adds bluesy tension (7, m7).
GExtension
Ninth (9)
A 9th — colorful extension a whole step above the octave.
BExtension
Sharp eleventh (♯11)
A ♯11 — the bright, floating Lydian color.
DExtension
Thirteenth (13)
A 13th — full, rich top extension.
🎼 Related scales
Dorian ♯4 (Ukrainian)harmonic minor a perfect 4th below
🎹 Modal analysis
This chord implies the Dorian ♯4 (Ukrainian) scale; its characteristic note is the ♯4 / ♯11 (the Ukrainian color). It is a mode of the harmonic minor a perfect 4th below.
🎸 Genres
Gypsy jazz · Roma music · Klezmer · Classical