Gbmmaj7add13 Minor-Major 7th
The Gbmmaj7add13 chord is built from the notes Gb – Bbb – Db – F – Eb.
Piano sound loads on first tap.
Also known as
Gb-maj7(13)Gb-maj7(add13)Gb-maj7add13Gbm(maj7)(add13)Gbm(maj7)add13GbmM7(13)
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).
EbExtension
Thirteenth (13)
A 13th — full, rich top extension.
🎼 Related scales
🎹 Modal analysis
This chord implies the Melodic minor scale; its characteristic note is the major 7th.
🎸 Genres
Modern jazz · Post-bop · Fusion