Fm7#5add11#13 Augmented
The Fm7#5add11#13 chord is built from the notes F – Ab – C# – Eb – Bb – Fbb.
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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).
BbExtension
Eleventh (11)
An 11th — a suspended, airy color on top of the chord.
FbbExtension
Extension (22 st)
An upper extension 22 semitones above the root.
🎼 Related scales
🎹 Modal analysis
This chord implies the Aeolian (natural minor) scale; its characteristic note is the dark ♭6.
🎸 Genres
Rock · Pop · Cinematic