Gbaug13#11 Augmented
The Gbaug13#11 chord is built from the notes Gb – Bb – D – Fb – C – E.
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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.
FbSeventh
Minor seventh (♭7)
Ten semitones — the dominant/minor seventh. Adds bluesy tension (7, m7).
CExtension
Sharp eleventh (♯11)
A ♯11 — the bright, floating Lydian color.
EExtension
Extension (22 st)
An upper extension 22 semitones above the root.
🎼 Related scales
🎹 Modal analysis
This chord implies the Whole tone scale; its characteristic note is the dreamy, suspended ♯5.
🎸 Genres
Impressionism · Film & TV scoring · Jazz