Construction
G♯ Major 13th = Root + Major 3rd + Perfect 5th + Major 7th + Major 2nd + Perfect 4th + Major 6th = G♯, B♯, D♯, F♯♯, A♯, C♯, E♯
| Note | Interval | Degree |
|---|---|---|
| G♯ | Root | 1 |
| B♯ | Major 3rd | 3 |
| D♯ | Perfect 5th | 5 |
| F♯♯ | Major 7th | 7 |
| A♯ | Major 2nd | 9 |
| C♯ | Perfect 4th | 11 |
| E♯ | Major 6th | 13 |
Key Signature
A chord has no key signature of its own, but the G♯ Major 13th is the tonic (I) chord of G♯ Major, whose key signature has 4 flats (B♭, E♭, A♭, D♭).
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.
B♭E♭A♭D♭G♭C♭F♭
Mnemonic: Battle Ends And Down Goes Charles’ Father
Chords in the Key of G♯ Major
These are the triads built on each degree of G♯ Major:
Scales That Include the G♯ Major 13th
- Ab Major (I)
- F Minor (III)
- Bb Dorian (VII)
- C Phrygian (VI)
- Db Lydian (V)
- Eb Mixolydian (IV)
- F Aeolian (III)
- G Locrian (II)
Same Notes, Other Names
The notes G♯ – B♯ – D♯ – F♯♯ – A♯ – C♯ – E♯ aren’t exclusive to this chord. Depending on which note is the bass and how the chord functions, the same pitches also spell the following:
G♯ Major 13th : Frequently Asked Questions
What is the G♯ Major 13th chord on piano?
The G♯ Major 13th chord contains the notes G♯ – B♯ – D♯ – F♯♯ – A♯ – C♯ – E♯. On piano, play these notes together to sound the chord.
What is the G# piano chord?
The G# piano chord (written G♯ Major 13th) uses the same keys: G♯ – B♯ – D♯ – F♯♯ – A♯ – C♯ – E♯. The # and ♯ symbols name the same black key.
What notes are in the G# Major 13th chord?
G# Major 13th is built from the G# root. Check the interactive keyboard above for exact notes and fingering.
How is the G# Major 13th chord used in music?
G# Major 13th appears in jazz, pop, and classical contexts. Its sound depends on the chord quality (Major 13th).
What is the fingering for G# Major 13th?
See the fingering chart above. Right hand typically uses thumb on root. Left hand uses pinky on root.
What are the inversions of G# Major 13th?
Use the inversion buttons above to see each inversion with notes, fingering, and staff notation.