Gb-6(addb13) Minor
The Gb-6(addb13) chord is built from the notes Gb – Bbb – Db – Eb – Ebb.
Piano sound loads on first tap.
Also known as
Gbm6(addb13)Gbm6(b13)
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.
EbExtension
Thirteenth (13)
A 13th — full, rich top extension.
EbbExtension
Flat thirteenth (♭13)
A ♭13 — dark altered tension over a dominant chord.
🎼 Related scales
🎹 Modal analysis
This chord implies the Bebop melodic minor scale; its characteristic note is the passing ♭6 (bebop).
🎸 Genres
Bebop jazz · Straight-ahead jazz