G♭ Dominant 7th Sharp 11
Listen plays the chord. Play Along lights up each note in order so you can follow.
Practice G♭ Dominant 7th Sharp 11
Reading about it is step one — drilling it is what makes it automatic.
Introduction

The G♭ Dominant 7th Sharp 11 chord is a five-note chord made up of G♭, B♭, C, D♭, and F♭. It is built from a root, major third, augmented fourth, perfect fifth, and minor seventh.
Notes
Key Signature
The key of Gb Dominant 7th Sharp 11 has 6 flats.
Order of flats
Flats are added in a fixed order — the reverse of the sharp order. Each new flat key adds the next flat on the list.
Mnemonic: Battle Ends And Down Goes Charles’ Father
Chords in the Key of G♭ Major
These are the diatonic triads built on each degree of the G♭ major scale:
Theory: Intervals
The G♭ Dominant 7th Sharp 11 is built by stacking intervals from the root note. The formula R-M3-A4-P5-m7 describes the scale degrees used. The intervals P1-M3-A4-P5-m7 show the distance between each note in the chord.
G♭ Dominant 7th Sharp 11 — Frequently Asked Questions
What notes are in the Gb Dominant 7th Sharp 11 chord?
How does Gb7#11 differ from Gb7?
How does Gb7#11 differ from Gb11?
How is Gb7#11 used?
What scale matches Gb7#11?
What songs use 7#11?
Practice Tips
- Gb7#11 and F#7#11 are enharmonic.
- The #11 (C) doesn't clash with the third.
- Tritone sub for C7.
- Lydian Dominant scale.
- Translate to F#7#11 for easier reading.
- Jazz applications.