Skip to content

G♯ Dominant 13th

Also Known As
What are Enharmonics?G♯ / A♭ Equivalent

Hear the G♯ Dominant 13th chord played for you.

G♯13
G♯ – C – D♯ – F♯ – A♯ – C♯ – F
Formula:R-M3-P5-m7-M9-P11-M13
Intervals:P1-M3-P5-m7-M9-P11-M13
Scale Degrees:1-3-5-b7-9-11-13

Introduction

G♯ Dominant 13th on the piano — Notes: G♯ – C – D♯ – F♯ – A♯ – C♯ – F
G♯ Dominant 13th chord on the piano

The G♯ Dominant 13th chord is a seven-note chord made up of G♯, C, D♯, F♯, A♯, C♯, and F. It is built from a root, major third, perfect fifth, minor seventh, major ninth, perfect eleventh, and major thirteenth.

The G# Dominant 13th piano chord (G#13) consists of the notes G#, C, D#, F#, A#, C#, F. Formula: R-M3-P5-m7-M9-P11-M13 | Scale degrees: 1-3-5-b7-9-11-13.

Notes

Notes:G♯ – C – D♯ – F♯ – A♯ – C♯ – F

Key Signature

The key of G# Dominant 13th (enharmonically equivalent to Ab Dominant 13th) has 4 flats.

B♭E♭A♭D♭

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.

BEADGCF

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:

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

Theory: Intervals

Formula: R-M3-P5-m7-M9-P11-M13
Intervals: P1-M3-P5-m7-M9-P11-M13

The G♯ Dominant 13th is built by stacking intervals from the root note. The formula R-M3-P5-m7-M9-P11-M13 describes the scale degrees used. The intervals P1-M3-P5-m7-M9-P11-M13 show the distance between each note in the chord.

G♯ Dominant 13th — Frequently Asked Questions

What notes are in the G# Dominant 13th chord?
The G# Dominant 13th chord (G#13) contains 7 notes: G#, C, D#, F#, A#, C#, F. Formula: R-M3-P5-m7-M9-P11-M13.
How is G#13 used in music?
G#13 is used in jazz, fusion, and contemporary music to add harmonic color. It appears as a dominant or tonic chord depending on context.
What is the scale degree formula for G#13?
G#13 uses scale degrees 1-3-5-b7-9-11-13, giving it its distinctive sound.

Practice Tips

  • Start by placing your thumb on G# and spacing remaining fingers across the chord.
  • Practice G#13 slowly with separate hands before combining.
  • Listen carefully to the tension created by the altered tones in this chord.
  • Try voicing G#13 in different octaves to find the most comfortable position.
  • Resolve G#13 to a nearby chord to hear its function in context.

Related Tools

Chord FinderLook up any chord — see the notes, hear it, and play along.Chord DrillTimed drills to build speed and recognition across all chord types.Practice RoomPlug in a MIDI keyboard and get real-time feedback on every chord and scale.Circle of FifthsVisualize key relationships, relative minors, and key signatures.MIDI MonitorLive MIDI message stream with note names, velocity, and a scrolling staff.