G#11#13 Dominant 7th
The G#11#13 chord is built from the notes G – B – D – F – C# – Gbb.
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Also known as
G#13#11
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).
DFifth
Perfect fifth
Seven semitones — the most stable interval, reinforces the root.
FSeventh
Minor seventh (♭7)
Ten semitones — the dominant/minor seventh. Adds bluesy tension (7, m7).
C#Extension
Sharp eleventh (♯11)
A ♯11 — the bright, floating Lydian color.
GbbExtension
Extension (22 st)
An upper extension 22 semitones above the root.
🎼 Related scales
Lydian dominant (acoustic)melodic minor a perfect 4th below
🎹 Modal analysis
This chord implies the Lydian dominant (acoustic) scale; its characteristic note is the ♯11 over a ♭7 (the acoustic sound). It is a mode of the melodic minor a perfect 4th below.
🎸 Genres
Jazz fusion · Modal jazz · Bossa/MPB