The G Major 9♯11 chord is a six-note chord made up of G, A, B, C♯, D, and F♯.
Construction
G Major 9♯11 = Root + Major 2nd + Major 3rd + Diminished 5th + Perfect 5th + Major 7th = G · A · B · C♯ · D · F♯
| Note | Interval | Degree |
|---|---|---|
| G | Root | 1 |
| A | Major 2nd | 9 |
| B | Major 3rd | 3 |
| C♯ | Diminished 5th | ♭5 |
| D | Perfect 5th | 5 |
| F♯ | Major 7th | 7 |
Key Signature
A chord has no key signature of its own, but the G Major 9♯11 is the tonic (I) chord of G Major, whose key signature has 1 sharp (F♯).
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.
F♯C♯G♯D♯A♯E♯B♯
Mnemonic: Father Charles Goes Down And Ends Battle
Chords in the Key of G Major
These are the triads built on each degree of the G major scale:
G Major 9♯11 — Frequently Asked Questions
What is the G Major 9♯11 chord on piano?
The G Major 9♯11 chord contains the notes G – A – B – C♯ – D – F♯. On piano, play these notes together to sound the chord.