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G Dominant 7th Sharp 11

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G7♯11
G – B – C♯ – D – F
Formula:R-M3-A4-P5-m7
Intervals:P1-M3-A4-P5-m7
Scale Degrees:1-3-#4-5-b7

Introduction

G Dominant 7th Sharp 11 piano chord, root position — G, B, D, F, C#
The G Dominant 7th Sharp 11 chord in root position on a piano keyboard, notes G, B, D, F, C#.

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

Notes:G – B – C♯ – D – F

Key Signature

The key of G Dominant 7th Sharp 11 has 1 sharp.

F♯

Order of sharps

Sharps are added to a key signature in a fixed order. Each new sharp key adds the next sharp on the list.

FCGDAEB

Mnemonic: Father Charles Goes Down And Ends Battle

Chords in the Key of G Major

These are the diatonic triads built on each degree of the G major scale:

C
D
E
F
G
A
B
C
D
E
F
G
A
B
IG Major (major)
DegreeNumeralChordQuality
1IG MajorMajor
2iiA MinorMinor
3iiiB MinorMinor
4IVC MajorMajor
5VD MajorMajor
6viE MinorMinor
7vii°F♯ DiminishedDiminished

Theory: Intervals

Formula: R-M3-A4-P5-m7
Intervals: P1-M3-A4-P5-m7

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 G Dominant 7th Sharp 11 chord?
G7#11 contains: G, B, C#, D, F. Lydian Dominant sound.
How does G7#11 differ from G7?
Adds C# (the #11). Brighter and more complex than standard G7.
How does G7#11 differ from G11?
G11 has C (clashes with B). G7#11 has C# which doesn't clash.
How is G7#11 used in music?
Lydian Dominant. G7#11 is the enriched V chord in C Major — one of the most important 7#11 chords in jazz. Tritone sub for Db7.
What scale matches G7#11?
G Lydian Dominant: G, A, B, C#, D, E, F — 4th mode of D melodic minor.
What songs use 7#11?
Modern jazz. G7#11 → Cmaj7 is one of the most common uses.

Practice Tips

  • Play G7 then add C# — Lydian Dominant brightness.
  • G7#11 is the enriched V in C Major — one of the most useful 7#11 chords.
  • The #11 (C#) doesn't clash with the third (B).
  • Practice G7#11 → Cmaj9 for a sophisticated V–I.
  • Lydian Dominant scale: G–A–B–C#–D–E–F.
  • Tritone sub for Db7.

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