Gb-maj11 Minor-Major 7th
The Gb-maj11 chord is built from the notes Gb – Bbb – Db – F – Ab – Cb.
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Also known as
Gb-11maj7Gb-maj711Gbm(maj7)11Gbm11(maj7)Gbm11maj7
Chord tones, one by one
GbRoot
Root
The fundamental note the chord is built on — Gb.
BbbThird
Minor third
Three semitones — makes the chord minor (darker, sadder).
DbFifth
Perfect fifth
Seven semitones — the most stable interval, reinforces the root.
FSeventh
Major seventh
Eleven semitones — a lush, jazzy seventh just below the octave (maj7).
AbExtension
Ninth (9)
A 9th — colorful extension a whole step above the octave.
CbExtension
Eleventh (11)
An 11th — a suspended, airy color on top of the chord.
🎼 Related scales
🎹 Modal analysis
This chord implies the Melodic minor scale; its characteristic note is the major 7th.
🎸 Genres
Modern jazz · Post-bop · Fusion