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G♯ 7♭13

Also known as A♭ 7♭13
Same keys, different spelling.
Open A♭ 7♭13Same chord, spelled with flatsWhat are enharmonics? →Why one chord has two names
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Listen plays the chord. Play Along lights up each note in order so you can follow.

G♯7♭13
G♯ – B♯ – D♯ – F♯ – E
Formula:R-M3-P5-m7-m13
Intervals:P1-M3-P5-m7-m13
Scale Degrees:1-3-5-b7-b13

Introduction

G# 7♭13 piano chord, root position — G#, C, D#, F#, E
The G# 7♭13 chord in root position on a piano keyboard, notes G#, C, D#, F#, E.

The G♯ 7♭13 chord is a five-note chord made up of G♯, B♯, D♯, F♯, and E. It is built from a root, major third, perfect fifth, minor seventh, and minor thirteenth.

Notes

Notes:G♯ – B♯ – D♯ – F♯ – E

Key Signature

The key of G# 7♭13 (enharmonically equivalent to Ab 7♭13) 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-m13
Intervals: P1-M3-P5-m7-m13

The G♯ 7♭13 is built by stacking intervals from the root note. The formula R-M3-P5-m7-m13 describes the scale degrees used. The intervals P1-M3-P5-m7-m13 show the distance between each note in the chord.

G♯ 7♭13 — Frequently Asked Questions

What notes are in the G# 7♭13 chord?
The G# 7♭13 chord (G#7♭13) contains 5 notes: G#, C, D#, F#, E. Formula: R-M3-P5-m7-m13.
How is G#7♭13 used in music?
G#7♭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#7♭13?
G#7♭13 uses scale degrees 1-3-5-b7-b13, giving it its distinctive sound.

Practice Tips

  • Start by placing your thumb on G# and spacing remaining fingers across the chord.
  • Practice G#7♭13 slowly with separate hands before combining.
  • Listen carefully to the tension created by the altered tones in this chord.
  • Try voicing G#7♭13 in different octaves to find the most comfortable position.
  • Resolve G#7♭13 to a nearby chord to hear its function in context.

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