Abmin11b13 Minor 7th
The Abmin11b13 chord is built from the notes Ab – Cb – Eb – Gb – Bb – Db – Fb.
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Also known as
Abmin13b13
Chord tones, one by one
AbRoot
Root
The fundamental note the chord is built on — Ab.
CbThird
Minor third
Three semitones — makes the chord minor (darker, sadder).
EbFifth
Perfect fifth
Seven semitones — the most stable interval, reinforces the root.
GbSeventh
Minor seventh (♭7)
Ten semitones — the dominant/minor seventh. Adds bluesy tension (7, m7).
BbExtension
Ninth (9)
A 9th — colorful extension a whole step above the octave.
DbExtension
Eleventh (11)
An 11th — a suspended, airy color on top of the chord.
FbExtension
Flat thirteenth (♭13)
A ♭13 — dark altered tension over a dominant chord.
🎼 Related scales
🎹 Modal analysis
This chord implies the Aeolian (natural minor) scale; its characteristic note is the dark ♭6.
🎸 Genres
Rock · Pop · Cinematic