Gmaj13#5 Augmented
The Gmaj13#5 chord is built from the notes G – B – D# – F# – E – A – E.
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Chord tones, one by one
GRoot
Root
The fundamental note the chord is built on — G.
BThird
Major third
Four semitones — makes the chord major (brighter, happier).
D#Fifth
Augmented fifth (♯5)
Eight semitones — a sharp fifth. Restless and dreamy, typical of augmented chords.
F#Seventh
Major seventh
Eleven semitones — a lush, jazzy seventh just below the octave (maj7).
EExtension
Thirteenth (13)
A 13th — full, rich top extension.
AExtension
Ninth (9)
A 9th — colorful extension a whole step above the octave.
EExtension
Thirteenth (13)
A 13th — full, rich top extension.
🎼 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