Gb+(maj9) Augmented
The Gb+(maj9) chord is built from the notes Gb – Bb – D – F – Ab.
Piano sound loads on first tap.
Also known as
Gb+maj9Gbma9#5Gbma9(#5)Gbmaj9#5Gbmaj9(#5)
Chord tones, one by one
GbRoot
Root
The fundamental note the chord is built on — Gb.
BbThird
Major third
Four semitones — makes the chord major (brighter, happier).
DFifth
Augmented fifth (♯5)
Eight semitones — a sharp fifth. Restless and dreamy, typical of augmented chords.
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.
🎼 Related scales
Lydian augmentedmelodic minor a minor 3rd below
🎹 Modal analysis
This chord implies the Lydian augmented scale; its characteristic note is the dreamy, suspended ♯5. It is a mode of the melodic minor a minor 3rd below.
🎸 Genres
Film & TV scoring · Modal jazz · Impressionism